42921009

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{12323}}^1$

素因数の和:12378

約数の個数: 20

約数和(自身を含む): 65612976

約数和(自身を除く): 22691967

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 12323, 36969, 110907, 332721, 529889, 998163, 1589667, 4769001, 14307003, 42921009]

約数ペア:

[(1, 42921009), (3, 14307003), (9, 4769001), (27, 1589667), (43, 998163), (81, 529889), (129, 332721), (387, 110907), (1161, 36969), (3483, 12323)]