31451085

素因数分解:

$3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{983}}^1$

素因数の和:1079

約数の個数: 40

約数和(自身を含む): 57150720

約数和(自身を除く): 25699635

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 395, 405, 711, 983, 1185, 2133, 2949, 3555, 4915, 6399, 8847, 10665, 14745, 26541, 31995, 44235, 77657, 79623, 132705, 232971, 388285, 398115, 698913, 1164855, 2096739, 3494565, 6290217, 10483695, 31451085]

約数ペア:

[(1, 31451085), (3, 10483695), (5, 6290217), (9, 3494565), (15, 2096739), (27, 1164855), (45, 698913), (79, 398115), (81, 388285), (135, 232971), (237, 132705), (395, 79623), (405, 77657), (711, 44235), (983, 31995), (1185, 26541), (2133, 14745), (2949, 10665), (3555, 8847), (4915, 6399)]