208725711

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{577}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 304129728

約数和(自身を除く): 95404017

約数列:

[1, 3, 17, 41, 51, 123, 173, 519, 577, 697, 1731, 2091, 2941, 7093, 8823, 9809, 21279, 23657, 29427, 70971, 99821, 120581, 299463, 361743, 402169, 1206507, 1696957, 4092661, 5090871, 12277983, 69575237, 208725711]

約数ペア:

[(1, 208725711), (3, 69575237), (17, 12277983), (41, 5090871), (51, 4092661), (123, 1696957), (173, 1206507), (519, 402169), (577, 361743), (697, 299463), (1731, 120581), (2091, 99821), (2941, 70971), (7093, 29427), (8823, 23657), (9809, 21279)]