13780125

素因数分解:

$3^4\times 5^3\times {\mathrm{1361}}^1$

素因数の和:1388

約数の個数: 40

約数和(自身を含む): 25709112

約数和(自身を除く): 11928987

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 675, 1125, 1361, 2025, 3375, 4083, 6805, 10125, 12249, 20415, 34025, 36747, 61245, 102075, 110241, 170125, 183735, 306225, 510375, 551205, 918675, 1531125, 2756025, 4593375, 13780125]

約数ペア:

[(1, 13780125), (3, 4593375), (5, 2756025), (9, 1531125), (15, 918675), (25, 551205), (27, 510375), (45, 306225), (75, 183735), (81, 170125), (125, 110241), (135, 102075), (225, 61245), (375, 36747), (405, 34025), (675, 20415), (1125, 12249), (1361, 10125), (2025, 6805), (3375, 4083)]