213048255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{4519}}^1$

素因数の和:4983

約数の個数: 32

約数和(自身を含む): 390528000

約数和(自身を除く): 177479745

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 449, 1347, 2245, 3143, 4519, 6735, 9429, 13557, 15715, 22595, 31633, 47145, 67785, 94899, 158165, 474495, 2029031, 6087093, 10145155, 14203217, 30435465, 42609651, 71016085, 213048255]

約数ペア:

[(1, 213048255), (3, 71016085), (5, 42609651), (7, 30435465), (15, 14203217), (21, 10145155), (35, 6087093), (105, 2029031), (449, 474495), (1347, 158165), (2245, 94899), (3143, 67785), (4519, 47145), (6735, 31633), (9429, 22595), (13557, 15715)]