217110205197

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{20565521}}^1$

素因数の和:20565570

約数の個数: 32

約数和(自身を含む): 355372220160

約数和(自身を除く): 138262014963

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 153, 207, 391, 459, 621, 1173, 3519, 10557, 20565521, 61696563, 185089689, 349613857, 473006983, 555269067, 1048841571, 1419020949, 3146524713, 4257062847, 8041118711, 9439574139, 12771188541, 24123356133, 72370068399, 217110205197]

約数ペア:

[(1, 217110205197), (3, 72370068399), (9, 24123356133), (17, 12771188541), (23, 9439574139), (27, 8041118711), (51, 4257062847), (69, 3146524713), (153, 1419020949), (207, 1048841571), (391, 555269067), (459, 473006983), (621, 349613857), (1173, 185089689), (3519, 61696563), (10557, 20565521)]