201997779

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1\times {\mathrm{1789}}^1$

素因数の和:2470

約数の個数: 16

約数和(自身を含む): 274342560

約数和(自身を除く): 72344781

約数列:

[1, 3, 61, 183, 617, 1789, 1851, 5367, 37637, 109129, 112911, 327387, 1103813, 3311439, 67332593, 201997779]

約数ペア:

[(1, 201997779), (3, 67332593), (61, 3311439), (183, 1103813), (617, 327387), (1789, 112911), (1851, 109129), (5367, 37637)]