289771779

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{8123}}^1$

素因数の和:8207

約数の個数: 32

約数和(自身を含む): 449224704

約数和(自身を除く): 159452925

約数列:

[1, 3, 11, 23, 33, 47, 69, 141, 253, 517, 759, 1081, 1551, 3243, 8123, 11891, 24369, 35673, 89353, 186829, 268059, 381781, 560487, 1145343, 2055119, 4199591, 6165357, 8780963, 12598773, 26342889, 96590593, 289771779]

約数ペア:

[(1, 289771779), (3, 96590593), (11, 26342889), (23, 12598773), (33, 8780963), (47, 6165357), (69, 4199591), (141, 2055119), (253, 1145343), (517, 560487), (759, 381781), (1081, 268059), (1551, 186829), (3243, 89353), (8123, 35673), (11891, 24369)]