2651957

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 3472896

約数和(自身を除く): 820939

約数列:

[1, 7, 11, 31, 77, 101, 121, 217, 341, 707, 847, 1111, 2387, 3131, 3751, 7777, 12221, 21917, 26257, 34441, 85547, 241087, 378851, 2651957]

約数ペア:

[(1, 2651957), (7, 378851), (11, 241087), (31, 85547), (77, 34441), (101, 26257), (121, 21917), (217, 12221), (341, 7777), (707, 3751), (847, 3131), (1111, 2387)]