12856545

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21977}}^1$

素因数の和:22001

約数の個数: 24

約数和(自身を含む): 23999976

約数和(自身を除く): 11143431

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 21977, 65931, 109885, 197793, 285701, 329655, 857103, 988965, 1428505, 2571309, 4285515, 12856545]

約数ペア:

[(1, 12856545), (3, 4285515), (5, 2571309), (9, 1428505), (13, 988965), (15, 857103), (39, 329655), (45, 285701), (65, 197793), (117, 109885), (195, 65931), (585, 21977)]