201530979

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{132499}}^1$

素因数の和:132531

約数の個数: 18

約数和(自身を含む): 315217500

約数和(自身を除く): 113686521

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 132499, 397497, 1192491, 1722487, 5167461, 15502383, 22392331, 67176993, 201530979]

約数ペア:

[(1, 201530979), (3, 67176993), (9, 22392331), (13, 15502383), (39, 5167461), (117, 1722487), (169, 1192491), (507, 397497), (1521, 132499)]