31189081

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1601}}^1$

素因数の和:1653

約数の個数: 24

約数和(自身を含む): 40908672

約数和(自身を除く): 9719591

約数列:

[1, 7, 11, 23, 77, 121, 161, 253, 847, 1601, 1771, 2783, 11207, 17611, 19481, 36823, 123277, 193721, 257761, 405053, 1356047, 2835371, 4455583, 31189081]

約数ペア:

[(1, 31189081), (7, 4455583), (11, 2835371), (23, 1356047), (77, 405053), (121, 257761), (161, 193721), (253, 123277), (847, 36823), (1601, 19481), (1771, 17611), (2783, 11207)]