1256552721

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{23081}}^1$

素因数の和:23373

約数の個数: 24

約数和(自身を含む): 1901218176

約数和(自身を除く): 644665455

約数列:

[1, 3, 9, 23, 69, 207, 263, 789, 2367, 6049, 18147, 23081, 54441, 69243, 207729, 530863, 1592589, 4777767, 6070303, 18210909, 54632727, 139616969, 418850907, 1256552721]

約数ペア:

[(1, 1256552721), (3, 418850907), (9, 139616969), (23, 54632727), (69, 18210909), (207, 6070303), (263, 4777767), (789, 1592589), (2367, 530863), (6049, 207729), (18147, 69243), (23081, 54441)]