28214823

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{571}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 46638592

約数和(自身を除く): 18423769

約数列:

[1, 3, 7, 13, 21, 39, 91, 181, 273, 543, 571, 1267, 1713, 2353, 3801, 3997, 7059, 7423, 11991, 16471, 22269, 49413, 51961, 103351, 155883, 310053, 723457, 1343563, 2170371, 4030689, 9404941, 28214823]

約数ペア:

[(1, 28214823), (3, 9404941), (7, 4030689), (13, 2170371), (21, 1343563), (39, 723457), (91, 310053), (181, 155883), (273, 103351), (543, 51961), (571, 49413), (1267, 22269), (1713, 16471), (2353, 11991), (3801, 7423), (3997, 7059)]