220133979

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 354818464

約数和(自身を除く): 134684485

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 211, 241, 333, 481, 633, 723, 1443, 1899, 2169, 2743, 3133, 4329, 7807, 8229, 8917, 9399, 23421, 24687, 26751, 28197, 50851, 70263, 80253, 101491, 115921, 152553, 304473, 347763, 457659, 661063, 913419, 1043289, 1881487, 1983189, 5644461, 5949567, 16933383, 24459331, 73377993, 220133979]

約数ペア:

[(1, 220133979), (3, 73377993), (9, 24459331), (13, 16933383), (37, 5949567), (39, 5644461), (111, 1983189), (117, 1881487), (211, 1043289), (241, 913419), (333, 661063), (481, 457659), (633, 347763), (723, 304473), (1443, 152553), (1899, 115921), (2169, 101491), (2743, 80253), (3133, 70263), (4329, 50851), (7807, 28197), (8229, 26751), (8917, 24687), (9399, 23421)]