7131117

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 11172000

約数和(自身を除く): 4040883

約数列:

[1, 3, 7, 21, 49, 139, 147, 349, 417, 973, 1047, 2443, 2919, 6811, 7329, 17101, 20433, 48511, 51303, 145533, 339577, 1018731, 2377039, 7131117]

約数ペア:

[(1, 7131117), (3, 2377039), (7, 1018731), (21, 339577), (49, 145533), (139, 51303), (147, 48511), (349, 20433), (417, 17101), (973, 7329), (1047, 6811), (2443, 2919)]