1226421

素因数分解:

$3^5\times 7^2\times {\mathrm{103}}^1$

素因数の和:132

約数の個数: 36

約数和(自身を含む): 2157792

約数和(自身を除く): 931371

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 103, 147, 189, 243, 309, 441, 567, 721, 927, 1323, 1701, 2163, 2781, 3969, 5047, 6489, 8343, 11907, 15141, 19467, 25029, 45423, 58401, 136269, 175203, 408807, 1226421]

約数ペア:

[(1, 1226421), (3, 408807), (7, 175203), (9, 136269), (21, 58401), (27, 45423), (49, 25029), (63, 19467), (81, 15141), (103, 11907), (147, 8343), (189, 6489), (243, 5047), (309, 3969), (441, 2781), (567, 2163), (721, 1701), (927, 1323)]