26880441

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 42713088

約数和(自身を除く): 15832647

約数列:

[1, 3, 7, 21, 31, 93, 157, 217, 263, 471, 651, 789, 1099, 1841, 3297, 4867, 5523, 8153, 14601, 24459, 34069, 41291, 57071, 102207, 123873, 171213, 289037, 867111, 1280021, 3840063, 8960147, 26880441]

約数ペア:

[(1, 26880441), (3, 8960147), (7, 3840063), (21, 1280021), (31, 867111), (93, 289037), (157, 171213), (217, 123873), (263, 102207), (471, 57071), (651, 41291), (789, 34069), (1099, 24459), (1841, 14601), (3297, 8153), (4867, 5523)]