20180123109

素因数分解:

$3^3\times {\mathrm{2143}}^1\times {\mathrm{348769}}^1$

素因数の和:350921

約数の個数: 16

約数和(自身を含む): 29910515200

約数和(自身を除く): 9730392091

約数列:

[1, 3, 9, 27, 2143, 6429, 19287, 57861, 348769, 1046307, 3138921, 9416763, 747411967, 2242235901, 6726707703, 20180123109]

約数ペア:

[(1, 20180123109), (3, 6726707703), (9, 2242235901), (27, 747411967), (2143, 9416763), (6429, 3138921), (19287, 1046307), (57861, 348769)]