397296837

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{203429}}^1$

素因数の和:203473

約数の個数: 24

約数和(自身を含む): 677015040

約数和(自身を除く): 279718203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 203429, 610287, 1424003, 1830861, 4272009, 6306299, 12816027, 18918897, 44144093, 56756691, 132432279, 397296837]

約数ペア:

[(1, 397296837), (3, 132432279), (7, 56756691), (9, 44144093), (21, 18918897), (31, 12816027), (63, 6306299), (93, 4272009), (217, 1830861), (279, 1424003), (651, 610287), (1953, 203429)]