131313

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:73

約数の個数: 24

約数和(自身を含む): 222528

約数和(自身を除く): 91215

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 169, 259, 273, 481, 507, 777, 1183, 1443, 3367, 3549, 6253, 10101, 18759, 43771, 131313]

約数ペア:

[(1, 131313), (3, 43771), (7, 18759), (13, 10101), (21, 6253), (37, 3549), (39, 3367), (91, 1443), (111, 1183), (169, 777), (259, 507), (273, 481)]