20161257597

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{640589}}^1$

素因数の和:640877

約数の個数: 24

約数和(自身を含む): 31478592600

約数和(自身を除く): 11317335003

約数列:

[1, 3, 9, 13, 39, 117, 269, 807, 2421, 3497, 10491, 31473, 640589, 1921767, 5765301, 8327657, 24982971, 74948913, 172318441, 516955323, 1550865969, 2240139733, 6720419199, 20161257597]

約数ペア:

[(1, 20161257597), (3, 6720419199), (9, 2240139733), (13, 1550865969), (39, 516955323), (117, 172318441), (269, 74948913), (807, 24982971), (2421, 8327657), (3497, 5765301), (10491, 1921767), (31473, 640589)]