28784805

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{39163}}^1$

素因数の和:39185

約数の個数: 24

約数和(自身を含む): 53576352

約数和(自身を除く): 24791547

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 39163, 117489, 195815, 274141, 587445, 822423, 1370705, 1918987, 4112115, 5756961, 9594935, 28784805]

約数ペア:

[(1, 28784805), (3, 9594935), (5, 5756961), (7, 4112115), (15, 1918987), (21, 1370705), (35, 822423), (49, 587445), (105, 274141), (147, 195815), (245, 117489), (735, 39163)]