209797777

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1\times {\mathrm{577}}^1$

素因数の和:1120

約数の個数: 16

約数和(自身を含む): 242667520

約数和(自身を除く): 32869743

約数列:

[1, 7, 127, 409, 577, 889, 2863, 4039, 51943, 73279, 235993, 363601, 512953, 1651951, 29971111, 209797777]

約数ペア:

[(1, 209797777), (7, 29971111), (127, 1651951), (409, 512953), (577, 363601), (889, 235993), (2863, 73279), (4039, 51943)]