221473993

素因数分解:

${\mathrm{13}}^2\times {\mathrm{397}}^1\times {\mathrm{3301}}^1$

素因数の和:3724

約数の個数: 12

約数和(自身を含む): 240497868

約数和(自身を除く): 19023875

約数列:

[1, 13, 169, 397, 3301, 5161, 42913, 67093, 557869, 1310497, 17036461, 221473993]

約数ペア:

[(1, 221473993), (13, 17036461), (169, 1310497), (397, 557869), (3301, 67093), (5161, 42913)]