81294375

素因数分解:

$3^1\times 5^4\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:441

約数の個数: 40

約数和(自身を含む): 136756224

約数和(自身を除く): 55461849

約数列:

[1, 3, 5, 15, 25, 75, 125, 191, 227, 375, 573, 625, 681, 955, 1135, 1875, 2865, 3405, 4775, 5675, 14325, 17025, 23875, 28375, 43357, 71625, 85125, 119375, 130071, 141875, 216785, 358125, 425625, 650355, 1083925, 3251775, 5419625, 16258875, 27098125, 81294375]

約数ペア:

[(1, 81294375), (3, 27098125), (5, 16258875), (15, 5419625), (25, 3251775), (75, 1083925), (125, 650355), (191, 425625), (227, 358125), (375, 216785), (573, 141875), (625, 130071), (681, 119375), (955, 85125), (1135, 71625), (1875, 43357), (2865, 28375), (3405, 23875), (4775, 17025), (5675, 14325)]