812658519

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{9679}}^1$

素因数の和:10195

約数の個数: 24

約数和(自身を含む): 1238265600

約数和(自身を除く): 425607081

約数列:

[1, 3, 9, 19, 57, 171, 491, 1473, 4419, 9329, 9679, 27987, 29037, 83961, 87111, 183901, 551703, 1655109, 4752389, 14257167, 42771501, 90295391, 270886173, 812658519]

約数ペア:

[(1, 812658519), (3, 270886173), (9, 90295391), (19, 42771501), (57, 14257167), (171, 4752389), (491, 1655109), (1473, 551703), (4419, 183901), (9329, 87111), (9679, 83961), (27987, 29037)]