9800021

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{929}}^1$

素因数の和:1084

約数の個数: 16

約数和(自身を含む): 12320640

約数和(自身を除く): 2520619

約数列:

[1, 7, 11, 77, 137, 929, 959, 1507, 6503, 10219, 10549, 71533, 127273, 890911, 1400003, 9800021]

約数ペア:

[(1, 9800021), (7, 1400003), (11, 890911), (77, 127273), (137, 71533), (929, 10549), (959, 10219), (1507, 6503)]