15388009

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:87

約数の個数: 40

約数和(自身を含む): 21175560

約数和(自身を除く): 5787551

約数列:

[1, 7, 13, 17, 29, 49, 91, 119, 203, 221, 343, 377, 493, 637, 833, 1421, 1547, 2401, 2639, 3451, 4459, 5831, 6409, 9947, 10829, 18473, 24157, 31213, 40817, 44863, 69629, 75803, 129311, 169099, 314041, 530621, 905177, 1183693, 2198287, 15388009]

約数ペア:

[(1, 15388009), (7, 2198287), (13, 1183693), (17, 905177), (29, 530621), (49, 314041), (91, 169099), (119, 129311), (203, 75803), (221, 69629), (343, 44863), (377, 40817), (493, 31213), (637, 24157), (833, 18473), (1421, 10829), (1547, 9947), (2401, 6409), (2639, 5831), (3451, 4459)]