66781125

素因数分解:

$3^3\times 5^3\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 126397440

約数和(自身を除く): 59616315

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 125, 135, 141, 225, 235, 375, 421, 423, 675, 705, 1125, 1175, 1263, 1269, 2105, 2115, 3375, 3525, 3789, 5875, 6315, 6345, 10525, 10575, 11367, 17625, 18945, 19787, 31575, 31725, 52625, 52875, 56835, 59361, 94725, 98935, 157875, 158625, 178083, 284175, 296805, 473625, 494675, 534249, 890415, 1420875, 1484025, 2473375, 2671245, 4452075, 7420125, 13356225, 22260375, 66781125]

約数ペア:

[(1, 66781125), (3, 22260375), (5, 13356225), (9, 7420125), (15, 4452075), (25, 2671245), (27, 2473375), (45, 1484025), (47, 1420875), (75, 890415), (125, 534249), (135, 494675), (141, 473625), (225, 296805), (235, 284175), (375, 178083), (421, 158625), (423, 157875), (675, 98935), (705, 94725), (1125, 59361), (1175, 56835), (1263, 52875), (1269, 52625), (2105, 31725), (2115, 31575), (3375, 19787), (3525, 18945), (3789, 17625), (5875, 11367), (6315, 10575), (6345, 10525)]