447741

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:142

約数の個数: 32

約数和(自身を含む): 798720

約数和(自身を除く): 350979

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 103, 161, 189, 207, 309, 483, 621, 721, 927, 1449, 2163, 2369, 2781, 4347, 6489, 7107, 16583, 19467, 21321, 49749, 63963, 149247, 447741]

約数ペア:

[(1, 447741), (3, 149247), (7, 63963), (9, 49749), (21, 21321), (23, 19467), (27, 16583), (63, 7107), (69, 6489), (103, 4347), (161, 2781), (189, 2369), (207, 2163), (309, 1449), (483, 927), (621, 721)]