1345239

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 2251392

約数和(自身を除く): 906153

約数列:

[1, 3, 7, 9, 21, 63, 131, 163, 393, 489, 917, 1141, 1179, 1467, 2751, 3423, 8253, 10269, 21353, 64059, 149471, 192177, 448413, 1345239]

約数ペア:

[(1, 1345239), (3, 448413), (7, 192177), (9, 149471), (21, 64059), (63, 21353), (131, 10269), (163, 8253), (393, 3423), (489, 2751), (917, 1467), (1141, 1179)]