2155461

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:102

約数の個数: 48

約数和(自身を含む): 3852288

約数和(自身を除く): 1696827

約数列:

[1, 3, 7, 11, 21, 31, 33, 43, 49, 77, 93, 129, 147, 217, 231, 301, 341, 473, 539, 651, 903, 1023, 1333, 1419, 1519, 1617, 2107, 2387, 3311, 3999, 4557, 6321, 7161, 9331, 9933, 14663, 16709, 23177, 27993, 43989, 50127, 65317, 69531, 102641, 195951, 307923, 718487, 2155461]

約数ペア:

[(1, 2155461), (3, 718487), (7, 307923), (11, 195951), (21, 102641), (31, 69531), (33, 65317), (43, 50127), (49, 43989), (77, 27993), (93, 23177), (129, 16709), (147, 14663), (217, 9933), (231, 9331), (301, 7161), (341, 6321), (473, 4557), (539, 3999), (651, 3311), (903, 2387), (1023, 2107), (1333, 1617), (1419, 1519)]