320416821

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{307}}^1\times {\mathrm{1303}}^1$

素因数の和:1705

約数の個数: 24

約数和(自身を含む): 469909440

約数和(自身を除く): 149492619

約数列:

[1, 3, 9, 89, 267, 307, 801, 921, 1303, 2763, 3909, 11727, 27323, 81969, 115967, 245907, 347901, 400021, 1043703, 1200063, 3600189, 35601869, 106805607, 320416821]

約数ペア:

[(1, 320416821), (3, 106805607), (9, 35601869), (89, 3600189), (267, 1200063), (307, 1043703), (801, 400021), (921, 347901), (1303, 245907), (2763, 115967), (3909, 81969), (11727, 27323)]