221639493

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1\times {\mathrm{1579}}^1$

素因数の和:2312

約数の個数: 16

約数和(自身を含む): 300326400

約数和(自身を除く): 78686907

約数列:

[1, 3, 71, 213, 659, 1579, 1977, 4737, 46789, 112109, 140367, 336327, 1040561, 3121683, 73879831, 221639493]

約数ペア:

[(1, 221639493), (3, 73879831), (71, 3121683), (213, 1040561), (659, 336327), (1579, 140367), (1977, 112109), (4737, 46789)]