131154795

素因数分解:

$3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2971}}^1$

素因数の和:3097

約数の個数: 40

約数和(自身を含む): 237343920

約数和(自身を除く): 106189125

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 327, 405, 545, 981, 1635, 2943, 2971, 4905, 8829, 8913, 14715, 14855, 26739, 44145, 44565, 80217, 133695, 240651, 323839, 401085, 971517, 1203255, 1619195, 2914551, 4857585, 8743653, 14572755, 26230959, 43718265, 131154795]

約数ペア:

[(1, 131154795), (3, 43718265), (5, 26230959), (9, 14572755), (15, 8743653), (27, 4857585), (45, 2914551), (81, 1619195), (109, 1203255), (135, 971517), (327, 401085), (405, 323839), (545, 240651), (981, 133695), (1635, 80217), (2943, 44565), (2971, 44145), (4905, 26739), (8829, 14855), (8913, 14715)]