211929681

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{739}}^1\times {\mathrm{877}}^1$

素因数の和:1728

約数の個数: 16

約数和(自身を含む): 285876800

約数和(自身を除く): 73947119

約数列:

[1, 3, 109, 327, 739, 877, 2217, 2631, 80551, 95593, 241653, 286779, 648103, 1944309, 70643227, 211929681]

約数ペア:

[(1, 211929681), (3, 70643227), (109, 1944309), (327, 648103), (739, 286779), (877, 241653), (2217, 95593), (2631, 80551)]