239641503

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^2$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 342451728

約数和(自身を除く): 102810225

約数列:

[1, 3, 17, 51, 157, 173, 471, 519, 2669, 2941, 8007, 8823, 27161, 29929, 81483, 89787, 461737, 508793, 1385211, 1526379, 4698853, 14096559, 79880501, 239641503]

約数ペア:

[(1, 239641503), (3, 79880501), (17, 14096559), (51, 4698853), (157, 1526379), (173, 1385211), (471, 508793), (519, 461737), (2669, 89787), (2941, 81483), (8007, 29929), (8823, 27161)]