31125636

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{20107}}^1$

素因数の和:20160

約数の個数: 36

約数和(自身を含む): 80512432

約数和(自身を除く): 49386796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 20107, 40214, 60321, 80428, 120642, 180963, 241284, 361926, 723852, 864601, 1729202, 2593803, 3458404, 5187606, 7781409, 10375212, 15562818, 31125636]

約数ペア:

[(1, 31125636), (2, 15562818), (3, 10375212), (4, 7781409), (6, 5187606), (9, 3458404), (12, 2593803), (18, 1729202), (36, 864601), (43, 723852), (86, 361926), (129, 241284), (172, 180963), (258, 120642), (387, 80428), (516, 60321), (774, 40214), (1548, 20107)]