81004275

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1423}}^1$

素因数の和:1473

約数の個数: 72

約数和(自身を含む): 165275136

約数和(自身を除く): 84270861

約数列:

[1, 3, 5, 9, 11, 15, 23, 25, 33, 45, 55, 69, 75, 99, 115, 165, 207, 225, 253, 275, 345, 495, 575, 759, 825, 1035, 1265, 1423, 1725, 2277, 2475, 3795, 4269, 5175, 6325, 7115, 11385, 12807, 15653, 18975, 21345, 32729, 35575, 46959, 56925, 64035, 78265, 98187, 106725, 140877, 163645, 234795, 294561, 320175, 360019, 391325, 490935, 704385, 818225, 1080057, 1173975, 1472805, 1800095, 2454675, 3240171, 3521925, 5400285, 7364025, 9000475, 16200855, 27001425, 81004275]

約数ペア:

[(1, 81004275), (3, 27001425), (5, 16200855), (9, 9000475), (11, 7364025), (15, 5400285), (23, 3521925), (25, 3240171), (33, 2454675), (45, 1800095), (55, 1472805), (69, 1173975), (75, 1080057), (99, 818225), (115, 704385), (165, 490935), (207, 391325), (225, 360019), (253, 320175), (275, 294561), (345, 234795), (495, 163645), (575, 140877), (759, 106725), (825, 98187), (1035, 78265), (1265, 64035), (1423, 56925), (1725, 46959), (2277, 35575), (2475, 32729), (3795, 21345), (4269, 18975), (5175, 15653), (6325, 12807), (7115, 11385)]