64380411

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{857}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 98779824

約数和(自身を除く): 34399413

約数列:

[1, 3, 9, 17, 51, 153, 491, 857, 1473, 2571, 4419, 7713, 8347, 14569, 25041, 43707, 75123, 131121, 420787, 1262361, 3787083, 7153379, 21460137, 64380411]

約数ペア:

[(1, 64380411), (3, 21460137), (9, 7153379), (17, 3787083), (51, 1262361), (153, 420787), (491, 131121), (857, 75123), (1473, 43707), (2571, 25041), (4419, 14569), (7713, 8347)]