621539145

素因数分解:

$3^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{20959}}^1$

素因数の和:21629

約数の個数: 24

約数和(自身を含む): 1079020800

約数和(自身を除く): 457481655

約数列:

[1, 3, 5, 9, 15, 45, 659, 1977, 3295, 5931, 9885, 20959, 29655, 62877, 104795, 188631, 314385, 943155, 13811981, 41435943, 69059905, 124307829, 207179715, 621539145]

約数ペア:

[(1, 621539145), (3, 207179715), (5, 124307829), (9, 69059905), (15, 41435943), (45, 13811981), (659, 943155), (1977, 314385), (3295, 188631), (5931, 104795), (9885, 62877), (20959, 29655)]