53920209

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2069}}^1$

素因数の和:2169

約数の個数: 32

約数和(自身を含む): 88231680

約数和(自身を除く): 34311471

約数列:

[1, 3, 7, 17, 21, 51, 73, 119, 219, 357, 511, 1241, 1533, 2069, 3723, 6207, 8687, 14483, 26061, 35173, 43449, 105519, 151037, 246211, 453111, 738633, 1057259, 2567629, 3171777, 7702887, 17973403, 53920209]

約数ペア:

[(1, 53920209), (3, 17973403), (7, 7702887), (17, 3171777), (21, 2567629), (51, 1057259), (73, 738633), (119, 453111), (219, 246211), (357, 151037), (511, 105519), (1241, 43449), (1533, 35173), (2069, 26061), (3723, 14483), (6207, 8687)]