3138891

素因数分解:

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

素因数の和:311

約数の個数: 24

約数和(自身を含む): 4935744

約数和(自身を除く): 1796853

約数列:

[1, 3, 7, 21, 49, 131, 147, 163, 393, 489, 917, 1141, 2751, 3423, 6419, 7987, 19257, 21353, 23961, 64059, 149471, 448413, 1046297, 3138891]

約数ペア:

[(1, 3138891), (3, 1046297), (7, 448413), (21, 149471), (49, 64059), (131, 23961), (147, 21353), (163, 19257), (393, 7987), (489, 6419), (917, 3423), (1141, 2751)]