215533917

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{20879}}^1$

素因数の和:20953

約数の個数: 24

約数和(自身を含む): 330071040

約数和(自身を除く): 114537123

約数列:

[1, 3, 9, 31, 37, 93, 111, 279, 333, 1147, 3441, 10323, 20879, 62637, 187911, 647249, 772523, 1941747, 2317569, 5825241, 6952707, 23948213, 71844639, 215533917]

約数ペア:

[(1, 215533917), (3, 71844639), (9, 23948213), (31, 6952707), (37, 5825241), (93, 2317569), (111, 1941747), (279, 772523), (333, 647249), (1147, 187911), (3441, 62637), (10323, 20879)]