9917233921

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{66293}}^1$

素因数の和:66421

約数の個数: 24

約数和(自身を含む): 11971105344

約数和(自身を除く): 2053871423

約数列:

[1, 7, 43, 49, 71, 301, 497, 2107, 3053, 3479, 21371, 66293, 149597, 464051, 2850599, 3248357, 4706803, 19954193, 32947621, 139679351, 202392529, 230633347, 1416747703, 9917233921]

約数ペア:

[(1, 9917233921), (7, 1416747703), (43, 230633347), (49, 202392529), (71, 139679351), (301, 32947621), (497, 19954193), (2107, 4706803), (3053, 3248357), (3479, 2850599), (21371, 464051), (66293, 149597)]