28670475

素因数分解:

$3^1\times 5^2\times {\mathrm{251}}^1\times {\mathrm{1523}}^1$

素因数の和:1787

約数の個数: 24

約数和(自身を含む): 47621952

約数和(自身を除く): 18951477

約数列:

[1, 3, 5, 15, 25, 75, 251, 753, 1255, 1523, 3765, 4569, 6275, 7615, 18825, 22845, 38075, 114225, 382273, 1146819, 1911365, 5734095, 9556825, 28670475]

約数ペア:

[(1, 28670475), (3, 9556825), (5, 5734095), (15, 1911365), (25, 1146819), (75, 382273), (251, 114225), (753, 38075), (1255, 22845), (1523, 18825), (3765, 7615), (4569, 6275)]