131409459

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:481

約数の個数: 40

約数和(自身を含む): 203599440

約数和(自身を除く): 72189981

約数列:

[1, 3, 9, 27, 37, 81, 111, 163, 269, 333, 489, 807, 999, 1467, 2421, 2997, 4401, 6031, 7263, 9953, 13203, 18093, 21789, 29859, 43847, 54279, 89577, 131541, 162837, 268731, 394623, 488511, 806193, 1183869, 1622339, 3551607, 4867017, 14601051, 43803153, 131409459]

約数ペア:

[(1, 131409459), (3, 43803153), (9, 14601051), (27, 4867017), (37, 3551607), (81, 1622339), (111, 1183869), (163, 806193), (269, 488511), (333, 394623), (489, 268731), (807, 162837), (999, 131541), (1467, 89577), (2421, 54279), (2997, 43847), (4401, 29859), (6031, 21789), (7263, 18093), (9953, 13203)]