8191125

素因数分解:

$3^4\times 5^3\times {\mathrm{809}}^1$

素因数の和:836

約数の個数: 40

約数和(自身を含む): 15289560

約数和(自身を除く): 7098435

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 675, 809, 1125, 2025, 2427, 3375, 4045, 7281, 10125, 12135, 20225, 21843, 36405, 60675, 65529, 101125, 109215, 182025, 303375, 327645, 546075, 910125, 1638225, 2730375, 8191125]

約数ペア:

[(1, 8191125), (3, 2730375), (5, 1638225), (9, 910125), (15, 546075), (25, 327645), (27, 303375), (45, 182025), (75, 109215), (81, 101125), (125, 65529), (135, 60675), (225, 36405), (375, 21843), (405, 20225), (675, 12135), (809, 10125), (1125, 7281), (2025, 4045), (2427, 3375)]