31442411

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 42771456

約数和(自身を除く): 11329045

約数列:

[1, 7, 11, 13, 77, 91, 101, 143, 311, 707, 1001, 1111, 1313, 2177, 3421, 4043, 7777, 9191, 14443, 23947, 28301, 31411, 44473, 101101, 219877, 311311, 345521, 408343, 2418647, 2858401, 4491773, 31442411]

約数ペア:

[(1, 31442411), (7, 4491773), (11, 2858401), (13, 2418647), (77, 408343), (91, 345521), (101, 311311), (143, 219877), (311, 101101), (707, 44473), (1001, 31411), (1111, 28301), (1313, 23947), (2177, 14443), (3421, 9191), (4043, 7777)]