388632951

素因数分解:

$3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{20359}}^1$

素因数の和:20476

約数の個数: 32

約数和(自身を含む): 664550400

約数和(自身を除く): 275917449

約数列:

[1, 3, 7, 9, 21, 27, 63, 101, 189, 303, 707, 909, 2121, 2727, 6363, 19089, 20359, 61077, 142513, 183231, 427539, 549693, 1282617, 2056259, 3847851, 6168777, 14393813, 18506331, 43181439, 55518993, 129544317, 388632951]

約数ペア:

[(1, 388632951), (3, 129544317), (7, 55518993), (9, 43181439), (21, 18506331), (27, 14393813), (63, 6168777), (101, 3847851), (189, 2056259), (303, 1282617), (707, 549693), (909, 427539), (2121, 183231), (2727, 142513), (6363, 61077), (19089, 20359)]