289662921

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{449}}^1\times {\mathrm{1667}}^1$

素因数の和:2165

約数の個数: 24

約数和(自身を含む): 429343200

約数和(自身を除く): 139680279

約数列:

[1, 3, 9, 43, 129, 387, 449, 1347, 1667, 4041, 5001, 15003, 19307, 57921, 71681, 173763, 215043, 645129, 748483, 2245449, 6736347, 32184769, 96554307, 289662921]

約数ペア:

[(1, 289662921), (3, 96554307), (9, 32184769), (43, 6736347), (129, 2245449), (387, 748483), (449, 645129), (1347, 215043), (1667, 173763), (4041, 71681), (5001, 57921), (15003, 19307)]