28197225

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{17903}}^1$

素因数の和:17926

約数の個数: 36

約数和(自身を含む): 57722496

約数和(自身を除く): 29525271

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 17903, 53709, 89515, 125321, 161127, 268545, 375963, 447575, 626605, 805635, 1127889, 1342725, 1879815, 3133025, 4028175, 5639445, 9399075, 28197225]

約数ペア:

[(1, 28197225), (3, 9399075), (5, 5639445), (7, 4028175), (9, 3133025), (15, 1879815), (21, 1342725), (25, 1127889), (35, 805635), (45, 626605), (63, 447575), (75, 375963), (105, 268545), (175, 161127), (225, 125321), (315, 89515), (525, 53709), (1575, 17903)]