28880025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{22651}}^1$

素因数の和:22681

約数の個数: 24

約数和(自身を含む): 50559264

約数和(自身を除く): 21679239

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 22651, 67953, 113255, 339765, 385067, 566275, 1155201, 1698825, 1925335, 5776005, 9626675, 28880025]

約数ペア:

[(1, 28880025), (3, 9626675), (5, 5776005), (15, 1925335), (17, 1698825), (25, 1155201), (51, 566275), (75, 385067), (85, 339765), (255, 113255), (425, 67953), (1275, 22651)]