64918125

素因数分解:

$3^3\times 5^4\times {\mathrm{3847}}^1$

素因数の和:3876

約数の個数: 40

約数和(自身を含む): 120211520

約数和(自身を除く): 55293395

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 625, 675, 1125, 1875, 3375, 3847, 5625, 11541, 16875, 19235, 34623, 57705, 96175, 103869, 173115, 288525, 480875, 519345, 865575, 1442625, 2404375, 2596725, 4327875, 7213125, 12983625, 21639375, 64918125]

約数ペア:

[(1, 64918125), (3, 21639375), (5, 12983625), (9, 7213125), (15, 4327875), (25, 2596725), (27, 2404375), (45, 1442625), (75, 865575), (125, 519345), (135, 480875), (225, 288525), (375, 173115), (625, 103869), (675, 96175), (1125, 57705), (1875, 34623), (3375, 19235), (3847, 16875), (5625, 11541)]