28885941

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3853}}^1$

素因数の和:3890

約数の個数: 36

約数和(自身を含む): 51404652

約数和(自身を除く): 22518711

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 3853, 7497, 11559, 26971, 34677, 65501, 80913, 188797, 196503, 242739, 458507, 566391, 589509, 1375521, 1699173, 3209549, 4126563, 9628647, 28885941]

約数ペア:

[(1, 28885941), (3, 9628647), (7, 4126563), (9, 3209549), (17, 1699173), (21, 1375521), (49, 589509), (51, 566391), (63, 458507), (119, 242739), (147, 196503), (153, 188797), (357, 80913), (441, 65501), (833, 34677), (1071, 26971), (2499, 11559), (3853, 7497)]