120820921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{2591}}^1$

素因数の和:2832

約数の個数: 16

約数和(自身を含む): 138475008

約数和(自身を除く): 17654087

約数列:

[1, 13, 17, 211, 221, 2591, 2743, 3587, 33683, 44047, 46631, 546701, 572611, 7107113, 9293917, 120820921]

約数ペア:

[(1, 120820921), (13, 9293917), (17, 7107113), (211, 572611), (221, 546701), (2591, 46631), (2743, 44047), (3587, 33683)]