2457207

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 3746496

約数和(自身を除く): 1289289

約数列:

[1, 3, 9, 37, 47, 111, 141, 157, 333, 423, 471, 1413, 1739, 5217, 5809, 7379, 15651, 17427, 22137, 52281, 66411, 273023, 819069, 2457207]

約数ペア:

[(1, 2457207), (3, 819069), (9, 273023), (37, 66411), (47, 52281), (111, 22137), (141, 17427), (157, 15651), (333, 7379), (423, 5809), (471, 5217), (1413, 1739)]