1626399

素因数分解:

$3^6\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:138

約数の個数: 28

約数和(自身を含む): 2570736

約数和(自身を除く): 944337

約数列:

[1, 3, 9, 23, 27, 69, 81, 97, 207, 243, 291, 621, 729, 873, 1863, 2231, 2619, 5589, 6693, 7857, 16767, 20079, 23571, 60237, 70713, 180711, 542133, 1626399]

約数ペア:

[(1, 1626399), (3, 542133), (9, 180711), (23, 70713), (27, 60237), (69, 23571), (81, 20079), (97, 16767), (207, 7857), (243, 6693), (291, 5589), (621, 2619), (729, 2231), (873, 1863)]