389615709

素因数分解:

$3^1\times 7^2\times {\mathrm{449}}^1\times {\mathrm{5903}}^1$

素因数の和:6369

約数の個数: 24

約数和(自身を含む): 605750400

約数和(自身を除く): 216134691

約数列:

[1, 3, 7, 21, 49, 147, 449, 1347, 3143, 5903, 9429, 17709, 22001, 41321, 66003, 123963, 289247, 867741, 2650447, 7951341, 18553129, 55659387, 129871903, 389615709]

約数ペア:

[(1, 389615709), (3, 129871903), (7, 55659387), (21, 18553129), (49, 7951341), (147, 2650447), (449, 867741), (1347, 289247), (3143, 123963), (5903, 66003), (9429, 41321), (17709, 22001)]