66481875

素因数分解:

$3^2\times 5^4\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:302

約数の個数: 60

約数和(自身を含む): 122810688

約数和(自身を除く): 56328813

約数列:

[1, 3, 5, 9, 15, 25, 45, 53, 75, 125, 159, 223, 225, 265, 375, 477, 625, 669, 795, 1115, 1125, 1325, 1875, 2007, 2385, 3345, 3975, 5575, 5625, 6625, 10035, 11819, 11925, 16725, 19875, 27875, 33125, 35457, 50175, 59095, 59625, 83625, 99375, 106371, 139375, 177285, 250875, 295475, 298125, 418125, 531855, 886425, 1254375, 1477375, 2659275, 4432125, 7386875, 13296375, 22160625, 66481875]

約数ペア:

[(1, 66481875), (3, 22160625), (5, 13296375), (9, 7386875), (15, 4432125), (25, 2659275), (45, 1477375), (53, 1254375), (75, 886425), (125, 531855), (159, 418125), (223, 298125), (225, 295475), (265, 250875), (375, 177285), (477, 139375), (625, 106371), (669, 99375), (795, 83625), (1115, 59625), (1125, 59095), (1325, 50175), (1875, 35457), (2007, 33125), (2385, 27875), (3345, 19875), (3975, 16725), (5575, 11925), (5625, 11819), (6625, 10035)]