28940109

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{397}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 43117728

約数和(自身を除く): 14177619

約数列:

[1, 3, 11, 33, 47, 141, 397, 517, 1191, 1551, 2209, 4367, 6627, 13101, 18659, 24299, 55977, 72897, 205249, 615747, 876973, 2630919, 9646703, 28940109]

約数ペア:

[(1, 28940109), (3, 9646703), (11, 2630919), (33, 876973), (47, 615747), (141, 205249), (397, 72897), (517, 55977), (1191, 24299), (1551, 18659), (2209, 13101), (4367, 6627)]