7175625

素因数分解:

$3^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 40

約数和(自身を含む): 12371040

約数和(自身を除く): 5195415

約数列:

[1, 3, 5, 15, 25, 43, 75, 89, 125, 129, 215, 267, 375, 445, 625, 645, 1075, 1335, 1875, 2225, 3225, 3827, 5375, 6675, 11125, 11481, 16125, 19135, 26875, 33375, 55625, 57405, 80625, 95675, 166875, 287025, 478375, 1435125, 2391875, 7175625]

約数ペア:

[(1, 7175625), (3, 2391875), (5, 1435125), (15, 478375), (25, 287025), (43, 166875), (75, 95675), (89, 80625), (125, 57405), (129, 55625), (215, 33375), (267, 26875), (375, 19135), (445, 16125), (625, 11481), (645, 11125), (1075, 6675), (1335, 5375), (1875, 3827), (2225, 3225)]