30904545

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2213}}^1$

素因数の和:2254

約数の個数: 48

約数和(自身を含む): 60575040

約数和(自身を除く): 29670495

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2213, 2793, 4655, 6639, 11065, 13965, 15491, 33195, 42047, 46473, 77455, 108437, 126141, 210235, 232365, 294329, 325311, 542185, 630705, 882987, 1471645, 1626555, 2060303, 4414935, 6180909, 10301515, 30904545]

約数ペア:

[(1, 30904545), (3, 10301515), (5, 6180909), (7, 4414935), (15, 2060303), (19, 1626555), (21, 1471645), (35, 882987), (49, 630705), (57, 542185), (95, 325311), (105, 294329), (133, 232365), (147, 210235), (245, 126141), (285, 108437), (399, 77455), (665, 46473), (735, 42047), (931, 33195), (1995, 15491), (2213, 13965), (2793, 11065), (4655, 6639)]