666468

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^2\times {\mathrm{17}}^1$

素因数の和:55

約数の個数: 90

約数和(自身を含む): 2027718

約数和(自身を除く): 1361250

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 27, 33, 34, 36, 44, 51, 54, 66, 68, 81, 99, 102, 108, 121, 132, 153, 162, 187, 198, 204, 242, 297, 306, 324, 363, 374, 396, 459, 484, 561, 594, 612, 726, 748, 891, 918, 1089, 1122, 1188, 1377, 1452, 1683, 1782, 1836, 2057, 2178, 2244, 2754, 3267, 3366, 3564, 4114, 4356, 5049, 5508, 6171, 6534, 6732, 8228, 9801, 10098, 12342, 13068, 15147, 18513, 19602, 20196, 24684, 30294, 37026, 39204, 55539, 60588, 74052, 111078, 166617, 222156, 333234, 666468]

約数ペア:

[(1, 666468), (2, 333234), (3, 222156), (4, 166617), (6, 111078), (9, 74052), (11, 60588), (12, 55539), (17, 39204), (18, 37026), (22, 30294), (27, 24684), (33, 20196), (34, 19602), (36, 18513), (44, 15147), (51, 13068), (54, 12342), (66, 10098), (68, 9801), (81, 8228), (99, 6732), (102, 6534), (108, 6171), (121, 5508), (132, 5049), (153, 4356), (162, 4114), (187, 3564), (198, 3366), (204, 3267), (242, 2754), (297, 2244), (306, 2178), (324, 2057), (363, 1836), (374, 1782), (396, 1683), (459, 1452), (484, 1377), (561, 1188), (594, 1122), (612, 1089), (726, 918), (748, 891)]