15780198

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1559}}^1$

素因数の和:1812

約数の個数: 32

約数和(自身を含む): 36241920

約数和(自身を除く): 20461722

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 241, 482, 723, 1446, 1559, 1687, 3118, 3374, 4677, 5061, 9354, 10122, 10913, 21826, 32739, 65478, 375719, 751438, 1127157, 2254314, 2630033, 5260066, 7890099, 15780198]

約数ペア:

[(1, 15780198), (2, 7890099), (3, 5260066), (6, 2630033), (7, 2254314), (14, 1127157), (21, 751438), (42, 375719), (241, 65478), (482, 32739), (723, 21826), (1446, 10913), (1559, 10122), (1687, 9354), (3118, 5061), (3374, 4677)]