15120651

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{571}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 25113088

約数和(自身を除く): 9992437

約数列:

[1, 3, 7, 13, 21, 39, 91, 97, 273, 291, 571, 679, 1261, 1713, 2037, 3783, 3997, 7423, 8827, 11991, 22269, 26481, 51961, 55387, 155883, 166161, 387709, 720031, 1163127, 2160093, 5040217, 15120651]

約数ペア:

[(1, 15120651), (3, 5040217), (7, 2160093), (13, 1163127), (21, 720031), (39, 387709), (91, 166161), (97, 155883), (273, 55387), (291, 51961), (571, 26481), (679, 22269), (1261, 11991), (1713, 8827), (2037, 7423), (3783, 3997)]