42181269

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20407}}^1$

素因数の和:20476

約数の個数: 16

約数和(自身を含む): 61713792

約数和(自身を除く): 19532523

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 20407, 61221, 265291, 795873, 1081571, 3244713, 14060423, 42181269]

約数ペア:

[(1, 42181269), (3, 14060423), (13, 3244713), (39, 1081571), (53, 795873), (159, 265291), (689, 61221), (2067, 20407)]