159780213

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{7127}}^1$

素因数の和:7233

約数の個数: 24

約数和(自身を含む): 240185088

約数和(自身を除く): 80404875

約数列:

[1, 3, 9, 47, 53, 141, 159, 423, 477, 2491, 7127, 7473, 21381, 22419, 64143, 334969, 377731, 1004907, 1133193, 3014721, 3399579, 17753357, 53260071, 159780213]

約数ペア:

[(1, 159780213), (3, 53260071), (9, 17753357), (47, 3399579), (53, 3014721), (141, 1133193), (159, 1004907), (423, 377731), (477, 334969), (2491, 64143), (7127, 22419), (7473, 21381)]