210751485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{64747}}^1$

素因数の和:64793

約数の個数: 32

約数和(自身を含む): 397811712

約数和(自身を除く): 187060227

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 64747, 194241, 323735, 453229, 971205, 1359687, 2007157, 2266145, 6021471, 6798435, 10035785, 14050099, 30107355, 42150297, 70250495, 210751485]

約数ペア:

[(1, 210751485), (3, 70250495), (5, 42150297), (7, 30107355), (15, 14050099), (21, 10035785), (31, 6798435), (35, 6021471), (93, 2266145), (105, 2007157), (155, 1359687), (217, 971205), (465, 453229), (651, 323735), (1085, 194241), (3255, 64747)]