253825923

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2957}}^1$

素因数の和:3075

約数の個数: 32

約数和(自身を含む): 381652992

約数和(自身を除く): 127827069

約数列:

[1, 3, 13, 31, 39, 71, 93, 213, 403, 923, 1209, 2201, 2769, 2957, 6603, 8871, 28613, 38441, 85839, 91667, 115323, 209947, 275001, 629841, 1191671, 2729311, 3575013, 6508357, 8187933, 19525071, 84608641, 253825923]

約数ペア:

[(1, 253825923), (3, 84608641), (13, 19525071), (31, 8187933), (39, 6508357), (71, 3575013), (93, 2729311), (213, 1191671), (403, 629841), (923, 275001), (1209, 209947), (2201, 115323), (2769, 91667), (2957, 85839), (6603, 38441), (8871, 28613)]