42972885

素因数分解:

$3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3631}}^1$

素因数の和:3905

約数の個数: 24

約数和(自身を含む): 74790144

約数和(自身を除く): 31817259

約数列:

[1, 3, 5, 9, 15, 45, 263, 789, 1315, 2367, 3631, 3945, 10893, 11835, 18155, 32679, 54465, 163395, 954953, 2864859, 4774765, 8594577, 14324295, 42972885]

約数ペア:

[(1, 42972885), (3, 14324295), (5, 8594577), (9, 4774765), (15, 2864859), (45, 954953), (263, 163395), (789, 54465), (1315, 32679), (2367, 18155), (3631, 11835), (3945, 10893)]