1298780025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1018651}}^1$

素因数の和:1018681

約数の個数: 24

約数和(自身を含む): 2273631264

約数和(自身を除く): 974851239

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 1018651, 3055953, 5093255, 15279765, 17317067, 25466275, 51951201, 76398825, 86585335, 259756005, 432926675, 1298780025]

約数ペア:

[(1, 1298780025), (3, 432926675), (5, 259756005), (15, 86585335), (17, 76398825), (25, 51951201), (51, 25466275), (75, 17317067), (85, 15279765), (255, 5093255), (425, 3055953), (1275, 1018651)]