28115025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{22051}}^1$

素因数の和:22081

約数の個数: 24

約数和(自身を含む): 49220064

約数和(自身を除く): 21105039

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 22051, 66153, 110255, 330765, 374867, 551275, 1124601, 1653825, 1874335, 5623005, 9371675, 28115025]

約数ペア:

[(1, 28115025), (3, 9371675), (5, 5623005), (15, 1874335), (17, 1653825), (25, 1124601), (51, 551275), (75, 374867), (85, 330765), (255, 110255), (425, 66153), (1275, 22051)]