28193775

素因数分解:

$3^1\times 5^2\times {\mathrm{167}}^1\times {\mathrm{2251}}^1$

素因数の和:2431

約数の個数: 24

約数和(自身を含む): 46913664

約数和(自身を除く): 18719889

約数列:

[1, 3, 5, 15, 25, 75, 167, 501, 835, 2251, 2505, 4175, 6753, 11255, 12525, 33765, 56275, 168825, 375917, 1127751, 1879585, 5638755, 9397925, 28193775]

約数ペア:

[(1, 28193775), (3, 9397925), (5, 5638755), (15, 1879585), (25, 1127751), (75, 375917), (167, 168825), (501, 56275), (835, 33765), (2251, 12525), (2505, 11255), (4175, 6753)]