31307211

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9227}}^1$

素因数の和:9275

約数の個数: 24

約数和(自身を含む): 50384880

約数和(自身を除く): 19077669

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 9227, 27681, 83043, 119951, 267583, 359853, 802749, 1079559, 2408247, 3478579, 10435737, 31307211]

約数ペア:

[(1, 31307211), (3, 10435737), (9, 3478579), (13, 2408247), (29, 1079559), (39, 802749), (87, 359853), (117, 267583), (261, 119951), (377, 83043), (1131, 27681), (3393, 9227)]