398402409

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{26407}}^1$

素因数の和:26564

約数の個数: 16

約数和(自身を含む): 547596288

約数和(自身を除く): 149193879

約数列:

[1, 3, 47, 107, 141, 321, 5029, 15087, 26407, 79221, 1241129, 2825549, 3723387, 8476647, 132800803, 398402409]

約数ペア:

[(1, 398402409), (3, 132800803), (47, 8476647), (107, 3723387), (141, 2825549), (321, 1241129), (5029, 79221), (15087, 26407)]