2660427

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{349}}^1$

素因数の和:384

約数の個数: 36

約数和(自身を含む): 4841200

約数和(自身を除く): 2180773

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 349, 363, 693, 847, 1047, 1089, 2443, 2541, 3141, 3839, 7329, 7623, 11517, 21987, 26873, 34551, 42229, 80619, 126687, 241857, 295603, 380061, 886809, 2660427]

約数ペア:

[(1, 2660427), (3, 886809), (7, 380061), (9, 295603), (11, 241857), (21, 126687), (33, 80619), (63, 42229), (77, 34551), (99, 26873), (121, 21987), (231, 11517), (349, 7623), (363, 7329), (693, 3839), (847, 3141), (1047, 2541), (1089, 2443)]