81408888

素因数分解:

$2^3\times 3^9\times {\mathrm{11}}^1\times {\mathrm{47}}^1$

素因数の和:91

約数の個数: 160

約数和(自身を含む): 255087360

約数和(自身を除く): 173678472

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 47, 54, 66, 72, 81, 88, 94, 99, 108, 132, 141, 162, 188, 198, 216, 243, 264, 282, 297, 324, 376, 396, 423, 486, 517, 564, 594, 648, 729, 792, 846, 891, 972, 1034, 1128, 1188, 1269, 1458, 1551, 1692, 1782, 1944, 2068, 2187, 2376, 2538, 2673, 2916, 3102, 3384, 3564, 3807, 4136, 4374, 4653, 5076, 5346, 5832, 6204, 6561, 7128, 7614, 8019, 8748, 9306, 10152, 10692, 11421, 12408, 13122, 13959, 15228, 16038, 17496, 18612, 19683, 21384, 22842, 24057, 26244, 27918, 30456, 32076, 34263, 37224, 39366, 41877, 45684, 48114, 52488, 55836, 64152, 68526, 72171, 78732, 83754, 91368, 96228, 102789, 111672, 125631, 137052, 144342, 157464, 167508, 192456, 205578, 216513, 251262, 274104, 288684, 308367, 335016, 376893, 411156, 433026, 502524, 577368, 616734, 753786, 822312, 866052, 925101, 1005048, 1130679, 1233468, 1507572, 1732104, 1850202, 2261358, 2466936, 3015144, 3392037, 3700404, 4522716, 6784074, 7400808, 9045432, 10176111, 13568148, 20352222, 27136296, 40704444, 81408888]

約数ペア:

[(1, 81408888), (2, 40704444), (3, 27136296), (4, 20352222), (6, 13568148), (8, 10176111), (9, 9045432), (11, 7400808), (12, 6784074), (18, 4522716), (22, 3700404), (24, 3392037), (27, 3015144), (33, 2466936), (36, 2261358), (44, 1850202), (47, 1732104), (54, 1507572), (66, 1233468), (72, 1130679), (81, 1005048), (88, 925101), (94, 866052), (99, 822312), (108, 753786), (132, 616734), (141, 577368), (162, 502524), (188, 433026), (198, 411156), (216, 376893), (243, 335016), (264, 308367), (282, 288684), (297, 274104), (324, 251262), (376, 216513), (396, 205578), (423, 192456), (486, 167508), (517, 157464), (564, 144342), (594, 137052), (648, 125631), (729, 111672), (792, 102789), (846, 96228), (891, 91368), (972, 83754), (1034, 78732), (1128, 72171), (1188, 68526), (1269, 64152), (1458, 55836), (1551, 52488), (1692, 48114), (1782, 45684), (1944, 41877), (2068, 39366), (2187, 37224), (2376, 34263), (2538, 32076), (2673, 30456), (2916, 27918), (3102, 26244), (3384, 24057), (3564, 22842), (3807, 21384), (4136, 19683), (4374, 18612), (4653, 17496), (5076, 16038), (5346, 15228), (5832, 13959), (6204, 13122), (6561, 12408), (7128, 11421), (7614, 10692), (8019, 10152), (8748, 9306)]