309040705

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{6899}}^1$

素因数の和:6969

約数の個数: 24

約数和(自身を含む): 406713600

約数和(自身を除く): 97672895

約数列:

[1, 5, 17, 31, 85, 155, 289, 527, 1445, 2635, 6899, 8959, 34495, 44795, 117283, 213869, 586415, 1069345, 1993811, 3635773, 9969055, 18178865, 61808141, 309040705]

約数ペア:

[(1, 309040705), (5, 61808141), (17, 18178865), (31, 9969055), (85, 3635773), (155, 1993811), (289, 1069345), (527, 586415), (1445, 213869), (2635, 117283), (6899, 44795), (8959, 34495)]