221229477

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^2\times {\mathrm{331}}^1$

素因数の和:550

約数の個数: 36

約数和(自身を含む): 369898464

約数和(自身を除く): 148668987

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 331, 721, 927, 993, 2163, 2317, 2979, 6489, 6951, 10609, 20853, 31827, 34093, 74263, 95481, 102279, 222789, 238651, 306837, 668367, 715953, 2147859, 3511579, 10534737, 24581053, 31604211, 73743159, 221229477]

約数ペア:

[(1, 221229477), (3, 73743159), (7, 31604211), (9, 24581053), (21, 10534737), (63, 3511579), (103, 2147859), (309, 715953), (331, 668367), (721, 306837), (927, 238651), (993, 222789), (2163, 102279), (2317, 95481), (2979, 74263), (6489, 34093), (6951, 31827), (10609, 20853)]