28875525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{55001}}^1$

素因数の和:55021

約数の個数: 24

約数和(自身を含む): 54561984

約数和(自身を除く): 25686459

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 55001, 165003, 275005, 385007, 825015, 1155021, 1375025, 1925035, 4125075, 5775105, 9625175, 28875525]

約数ペア:

[(1, 28875525), (3, 9625175), (5, 5775105), (7, 4125075), (15, 1925035), (21, 1375025), (25, 1155021), (35, 825015), (75, 385007), (105, 275005), (175, 165003), (525, 55001)]