30708951

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{571}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 50738688

約数和(自身を除く): 20029737

約数列:

[1, 3, 7, 13, 21, 39, 91, 197, 273, 571, 591, 1379, 1713, 2561, 3997, 4137, 7423, 7683, 11991, 17927, 22269, 51961, 53781, 112487, 155883, 337461, 787409, 1462331, 2362227, 4386993, 10236317, 30708951]

約数ペア:

[(1, 30708951), (3, 10236317), (7, 4386993), (13, 2362227), (21, 1462331), (39, 787409), (91, 337461), (197, 155883), (273, 112487), (571, 53781), (591, 51961), (1379, 22269), (1713, 17927), (2561, 11991), (3997, 7683), (4137, 7423)]