31040009

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2819}}^1$

素因数の和:2861

約数の個数: 24

約数和(自身を含む): 42006720

約数和(自身を除く): 10966711

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 847, 1001, 1573, 2819, 11011, 19733, 31009, 36647, 217063, 256529, 341099, 403117, 2387693, 2821819, 4434287, 31040009]

約数ペア:

[(1, 31040009), (7, 4434287), (11, 2821819), (13, 2387693), (77, 403117), (91, 341099), (121, 256529), (143, 217063), (847, 36647), (1001, 31009), (1573, 19733), (2819, 11011)]