137428921

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{6529}}^1$

素因数の和:6664

約数の個数: 16

約数和(自身を含む): 163824640

約数和(自身を除く): 26395719

約数列:

[1, 7, 31, 97, 217, 679, 3007, 6529, 21049, 45703, 202399, 633313, 1416793, 4433191, 19632703, 137428921]

約数ペア:

[(1, 137428921), (7, 19632703), (31, 4433191), (97, 1416793), (217, 633313), (679, 202399), (3007, 45703), (6529, 21049)]