28201425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{53717}}^1$

素因数の和:53737

約数の個数: 24

約数和(自身を含む): 53288256

約数和(自身を除く): 25086831

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 53717, 161151, 268585, 376019, 805755, 1128057, 1342925, 1880095, 4028775, 5640285, 9400475, 28201425]

約数ペア:

[(1, 28201425), (3, 9400475), (5, 5640285), (7, 4028775), (15, 1880095), (21, 1342925), (25, 1128057), (35, 805755), (75, 376019), (105, 268585), (175, 161151), (525, 53717)]