3947385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 7031808

約数和(自身を除く): 3084423

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 653, 1209, 1959, 2015, 3265, 6045, 8489, 9795, 20243, 25467, 42445, 60729, 101215, 127335, 263159, 303645, 789477, 1315795, 3947385]

約数ペア:

[(1, 3947385), (3, 1315795), (5, 789477), (13, 303645), (15, 263159), (31, 127335), (39, 101215), (65, 60729), (93, 42445), (155, 25467), (195, 20243), (403, 9795), (465, 8489), (653, 6045), (1209, 3265), (1959, 2015)]