27629865

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 49832640

約数和(自身を除く): 22202775

約数列:

[1, 3, 5, 9, 15, 43, 45, 109, 129, 131, 215, 327, 387, 393, 545, 645, 655, 981, 1179, 1635, 1935, 1965, 4687, 4905, 5633, 5895, 14061, 14279, 16899, 23435, 28165, 42183, 42837, 50697, 70305, 71395, 84495, 128511, 210915, 214185, 253485, 613997, 642555, 1841991, 3069985, 5525973, 9209955, 27629865]

約数ペア:

[(1, 27629865), (3, 9209955), (5, 5525973), (9, 3069985), (15, 1841991), (43, 642555), (45, 613997), (109, 253485), (129, 214185), (131, 210915), (215, 128511), (327, 84495), (387, 71395), (393, 70305), (545, 50697), (645, 42837), (655, 42183), (981, 28165), (1179, 23435), (1635, 16899), (1935, 14279), (1965, 14061), (4687, 5895), (4905, 5633)]