28465815

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{38729}}^1$

素因数の和:38751

約数の個数: 24

約数和(自身を含む): 52982640

約数和(自身を除く): 24516825

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 38729, 116187, 193645, 271103, 580935, 813309, 1355515, 1897721, 4066545, 5693163, 9488605, 28465815]

約数ペア:

[(1, 28465815), (3, 9488605), (5, 5693163), (7, 4066545), (15, 1897721), (21, 1355515), (35, 813309), (49, 580935), (105, 271103), (147, 193645), (245, 116187), (735, 38729)]