121405921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{21871}}^1$

素因数の和:21952

約数の個数: 16

約数和(自身を含む): 151879168

約数和(自身を除く): 30473247

約数列:

[1, 7, 13, 61, 91, 427, 793, 5551, 21871, 153097, 284323, 1334131, 1990261, 9338917, 17343703, 121405921]

約数ペア:

[(1, 121405921), (7, 17343703), (13, 9338917), (61, 1990261), (91, 1334131), (427, 284323), (793, 153097), (5551, 21871)]