390980025

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{102217}}^1$

素因数の和:102250

約数の個数: 36

約数和(自身を含む): 741489372

約数和(自身を除く): 350509347

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 102217, 306651, 511085, 919953, 1533255, 1737689, 2555425, 4599765, 5213067, 7666275, 8688445, 15639201, 22998825, 26065335, 43442225, 78196005, 130326675, 390980025]

約数ペア:

[(1, 390980025), (3, 130326675), (5, 78196005), (9, 43442225), (15, 26065335), (17, 22998825), (25, 15639201), (45, 8688445), (51, 7666275), (75, 5213067), (85, 4599765), (153, 2555425), (225, 1737689), (255, 1533255), (425, 919953), (765, 511085), (1275, 306651), (3825, 102217)]