901971

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 1514240

約数和(自身を除く): 612269

約数列:

[1, 3, 7, 9, 21, 63, 103, 139, 309, 417, 721, 927, 973, 1251, 2163, 2919, 6489, 8757, 14317, 42951, 100219, 128853, 300657, 901971]

約数ペア:

[(1, 901971), (3, 300657), (7, 128853), (9, 100219), (21, 42951), (63, 14317), (103, 8757), (139, 6489), (309, 2919), (417, 2163), (721, 1251), (927, 973)]