289731411

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{22783}}^1$

素因数の和:22952

約数の個数: 20

約数和(自身を含む): 435584512

約数和(自身を除く): 145853101

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 12717, 22783, 68349, 205047, 615141, 1845423, 3576931, 10730793, 32192379, 96577137, 289731411]

約数ペア:

[(1, 289731411), (3, 96577137), (9, 32192379), (27, 10730793), (81, 3576931), (157, 1845423), (471, 615141), (1413, 205047), (4239, 68349), (12717, 22783)]