54421875

素因数分解:

$3^4\times 5^6\times {\mathrm{43}}^1$

素因数の和:85

約数の個数: 70

約数和(自身を含む): 103983044

約数和(自身を除く): 49561169

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 81, 125, 129, 135, 215, 225, 375, 387, 405, 625, 645, 675, 1075, 1125, 1161, 1875, 1935, 2025, 3125, 3225, 3375, 3483, 5375, 5625, 5805, 9375, 9675, 10125, 15625, 16125, 16875, 17415, 26875, 28125, 29025, 46875, 48375, 50625, 80625, 84375, 87075, 134375, 140625, 145125, 241875, 253125, 403125, 421875, 435375, 671875, 725625, 1209375, 1265625, 2015625, 2176875, 3628125, 6046875, 10884375, 18140625, 54421875]

約数ペア:

[(1, 54421875), (3, 18140625), (5, 10884375), (9, 6046875), (15, 3628125), (25, 2176875), (27, 2015625), (43, 1265625), (45, 1209375), (75, 725625), (81, 671875), (125, 435375), (129, 421875), (135, 403125), (215, 253125), (225, 241875), (375, 145125), (387, 140625), (405, 134375), (625, 87075), (645, 84375), (675, 80625), (1075, 50625), (1125, 48375), (1161, 46875), (1875, 29025), (1935, 28125), (2025, 26875), (3125, 17415), (3225, 16875), (3375, 16125), (3483, 15625), (5375, 10125), (5625, 9675), (5805, 9375)]