9041921

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 11228544

約数和(自身を除く): 2186623

約数列:

[1, 7, 23, 49, 71, 113, 161, 497, 791, 1127, 1633, 2599, 3479, 5537, 8023, 11431, 18193, 56161, 80017, 127351, 184529, 393127, 1291703, 9041921]

約数ペア:

[(1, 9041921), (7, 1291703), (23, 393127), (49, 184529), (71, 127351), (113, 80017), (161, 56161), (497, 18193), (791, 11431), (1127, 8023), (1633, 5537), (2599, 3479)]