440068221

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{52747}}^1$

素因数の和:52862

約数の個数: 20

約数和(自身を含む): 663780832

約数和(自身を除く): 223712611

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2781, 8343, 52747, 158241, 474723, 1424169, 4272507, 5432941, 16298823, 48896469, 146689407, 440068221]

約数ペア:

[(1, 440068221), (3, 146689407), (9, 48896469), (27, 16298823), (81, 5432941), (103, 4272507), (309, 1424169), (927, 474723), (2781, 158241), (8343, 52747)]