990721921

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{7449037}}^1$

素因数の和:7449063

約数の個数: 8

約数和(自身を含む): 1191846080

約数和(自身を除く): 201124159

約数列:

[1, 7, 19, 133, 7449037, 52143259, 141531703, 990721921]

約数ペア:

[(1, 990721921), (7, 141531703), (19, 52143259), (133, 7449037)]