289808721

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{499}}^1\times {\mathrm{1373}}^1$

素因数の和:1925

約数の個数: 24

約数和(自身を含む): 428688000

約数和(自身を除く): 138879279

約数列:

[1, 3, 9, 47, 141, 423, 499, 1373, 1497, 4119, 4491, 12357, 23453, 64531, 70359, 193593, 211077, 580779, 685127, 2055381, 6166143, 32200969, 96602907, 289808721]

約数ペア:

[(1, 289808721), (3, 96602907), (9, 32200969), (47, 6166143), (141, 2055381), (423, 685127), (499, 580779), (1373, 211077), (1497, 193593), (4119, 70359), (4491, 64531), (12357, 23453)]