27853315

素因数分解:

$5^1\times 7^3\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 39600000

約数和(自身を除く): 11746685

約数列:

[1, 5, 7, 35, 49, 109, 149, 245, 343, 545, 745, 763, 1043, 1715, 3815, 5215, 5341, 7301, 16241, 26705, 36505, 37387, 51107, 81205, 113687, 186935, 255535, 568435, 795809, 3979045, 5570663, 27853315]

約数ペア:

[(1, 27853315), (5, 5570663), (7, 3979045), (35, 795809), (49, 568435), (109, 255535), (149, 186935), (245, 113687), (343, 81205), (545, 51107), (745, 37387), (763, 36505), (1043, 26705), (1715, 16241), (3815, 7301), (5215, 5341)]