28771749

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 42442400

約数和(自身を除く): 13670651

約数列:

[1, 3, 9, 109, 139, 211, 327, 417, 633, 981, 1251, 1899, 15151, 22999, 29329, 45453, 68997, 87987, 136359, 206991, 263961, 3196861, 9590583, 28771749]

約数ペア:

[(1, 28771749), (3, 9590583), (9, 3196861), (109, 263961), (139, 206991), (211, 136359), (327, 87987), (417, 68997), (633, 45453), (981, 29329), (1251, 22999), (1899, 15151)]