27988345

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 42255360

約数和(自身を除く): 14267015

約数列:

[1, 5, 7, 11, 35, 55, 77, 139, 385, 523, 695, 973, 1529, 2615, 3661, 4865, 5753, 7645, 10703, 18305, 28765, 40271, 53515, 72697, 201355, 363485, 508879, 799667, 2544395, 3998335, 5597669, 27988345]

約数ペア:

[(1, 27988345), (5, 5597669), (7, 3998335), (11, 2544395), (35, 799667), (55, 508879), (77, 363485), (139, 201355), (385, 72697), (523, 53515), (695, 40271), (973, 28765), (1529, 18305), (2615, 10703), (3661, 7645), (4865, 5753)]