26686875

素因数分解:

$3^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:397

約数の個数: 40

約数和(自身を含む): 45635392

約数和(自身を除く): 18948517

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 215, 331, 375, 625, 645, 993, 1075, 1655, 1875, 3225, 4965, 5375, 8275, 14233, 16125, 24825, 26875, 41375, 42699, 71165, 80625, 124125, 206875, 213495, 355825, 620625, 1067475, 1779125, 5337375, 8895625, 26686875]

約数ペア:

[(1, 26686875), (3, 8895625), (5, 5337375), (15, 1779125), (25, 1067475), (43, 620625), (75, 355825), (125, 213495), (129, 206875), (215, 124125), (331, 80625), (375, 71165), (625, 42699), (645, 41375), (993, 26875), (1075, 24825), (1655, 16125), (1875, 14233), (3225, 8275), (4965, 5375)]