27922895

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{797}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 45849888

約数和(自身を除く): 17926993

約数列:

[1, 5, 7, 11, 13, 35, 49, 55, 65, 77, 91, 143, 245, 385, 455, 539, 637, 715, 797, 1001, 2695, 3185, 3985, 5005, 5579, 7007, 8767, 10361, 27895, 35035, 39053, 43835, 51805, 61369, 72527, 113971, 195265, 306845, 362635, 429583, 507689, 569855, 797797, 2147915, 2538445, 3988985, 5584579, 27922895]

約数ペア:

[(1, 27922895), (5, 5584579), (7, 3988985), (11, 2538445), (13, 2147915), (35, 797797), (49, 569855), (55, 507689), (65, 429583), (77, 362635), (91, 306845), (143, 195265), (245, 113971), (385, 72527), (455, 61369), (539, 51805), (637, 43835), (715, 39053), (797, 35035), (1001, 27895), (2695, 10361), (3185, 8767), (3985, 7007), (5005, 5579)]