71637291

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:154

約数の個数: 80

約数和(自身を含む): 125139168

約数和(自身を除く): 53501877

約数列:

[1, 3, 9, 11, 27, 33, 37, 41, 53, 81, 99, 111, 123, 159, 297, 333, 369, 407, 451, 477, 583, 891, 999, 1107, 1221, 1353, 1431, 1517, 1749, 1961, 2173, 2997, 3321, 3663, 4059, 4293, 4551, 5247, 5883, 6519, 10989, 12177, 13653, 15741, 16687, 17649, 19557, 21571, 23903, 32967, 36531, 40959, 47223, 50061, 52947, 58671, 64713, 71709, 80401, 122877, 150183, 158841, 176013, 194139, 215127, 241203, 450549, 582417, 645381, 723609, 884411, 1351647, 1747251, 1936143, 2170827, 2653233, 6512481, 7959699, 23879097, 71637291]

約数ペア:

[(1, 71637291), (3, 23879097), (9, 7959699), (11, 6512481), (27, 2653233), (33, 2170827), (37, 1936143), (41, 1747251), (53, 1351647), (81, 884411), (99, 723609), (111, 645381), (123, 582417), (159, 450549), (297, 241203), (333, 215127), (369, 194139), (407, 176013), (451, 158841), (477, 150183), (583, 122877), (891, 80401), (999, 71709), (1107, 64713), (1221, 58671), (1353, 52947), (1431, 50061), (1517, 47223), (1749, 40959), (1961, 36531), (2173, 32967), (2997, 23903), (3321, 21571), (3663, 19557), (4059, 17649), (4293, 16687), (4551, 15741), (5247, 13653), (5883, 12177), (6519, 10989)]