478889721

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{7211}}^1$

素因数の和:7421

約数の個数: 24

約数和(自身を含む): 711045504

約数和(自身を除く): 232155783

約数列:

[1, 3, 9, 47, 141, 157, 423, 471, 1413, 7211, 7379, 21633, 22137, 64899, 66411, 338917, 1016751, 1132127, 3050253, 3396381, 10189143, 53209969, 159629907, 478889721]

約数ペア:

[(1, 478889721), (3, 159629907), (9, 53209969), (47, 10189143), (141, 3396381), (157, 3050253), (423, 1132127), (471, 1016751), (1413, 338917), (7211, 66411), (7379, 64899), (21633, 22137)]