15384985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 23328000

約数和(自身を除く): 7943015

約数列:

[1, 5, 7, 11, 35, 55, 77, 89, 385, 445, 449, 623, 979, 2245, 3115, 3143, 4895, 4939, 6853, 15715, 24695, 34265, 34573, 39961, 172865, 199805, 279727, 439571, 1398635, 2197855, 3076997, 15384985]

約数ペア:

[(1, 15384985), (5, 3076997), (7, 2197855), (11, 1398635), (35, 439571), (55, 279727), (77, 199805), (89, 172865), (385, 39961), (445, 34573), (449, 34265), (623, 24695), (979, 15715), (2245, 6853), (3115, 4939), (3143, 4895)]