209230623

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{30469}}^1$

素因数の和:30591

約数の個数: 24

約数和(自身を含む): 348576800

約数和(自身を除く): 139346177

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 30469, 91407, 213283, 274221, 639849, 1919547, 3321121, 9963363, 23247847, 29890089, 69743541, 209230623]

約数ペア:

[(1, 209230623), (3, 69743541), (7, 29890089), (9, 23247847), (21, 9963363), (63, 3321121), (109, 1919547), (327, 639849), (763, 274221), (981, 213283), (2289, 91407), (6867, 30469)]