668107197

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{5879}}^1$

素因数の和:5975

約数の個数: 40

約数和(自身を含む): 1058682240

約数和(自身を除く): 390575043

約数列:

[1, 3, 9, 23, 27, 61, 69, 81, 183, 207, 549, 621, 1403, 1647, 1863, 4209, 4941, 5879, 12627, 17637, 37881, 52911, 113643, 135217, 158733, 358619, 405651, 476199, 1075857, 1216953, 3227571, 3650859, 8248237, 9682713, 10952577, 24744711, 29048139, 74234133, 222702399, 668107197]

約数ペア:

[(1, 668107197), (3, 222702399), (9, 74234133), (23, 29048139), (27, 24744711), (61, 10952577), (69, 9682713), (81, 8248237), (183, 3650859), (207, 3227571), (549, 1216953), (621, 1075857), (1403, 476199), (1647, 405651), (1863, 358619), (4209, 158733), (4941, 135217), (5879, 113643), (12627, 52911), (17637, 37881)]