42991821

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{443}}^1$

素因数の和:753

約数の個数: 24

約数和(自身を含む): 63999936

約数和(自身を除く): 21008115

約数列:

[1, 3, 9, 41, 123, 263, 369, 443, 789, 1329, 2367, 3987, 10783, 18163, 32349, 54489, 97047, 116509, 163467, 349527, 1048581, 4776869, 14330607, 42991821]

約数ペア:

[(1, 42991821), (3, 14330607), (9, 4776869), (41, 1048581), (123, 349527), (263, 163467), (369, 116509), (443, 97047), (789, 54489), (1329, 32349), (2367, 18163), (3987, 10783)]