51724815

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{479}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 86814720

約数和(自身を除く): 35089905

約数列:

[1, 3, 5, 15, 23, 69, 115, 313, 345, 479, 939, 1437, 1565, 2395, 4695, 7185, 7199, 11017, 21597, 33051, 35995, 55085, 107985, 149927, 165255, 449781, 749635, 2248905, 3448321, 10344963, 17241605, 51724815]

約数ペア:

[(1, 51724815), (3, 17241605), (5, 10344963), (15, 3448321), (23, 2248905), (69, 749635), (115, 449781), (313, 165255), (345, 149927), (479, 107985), (939, 55085), (1437, 35995), (1565, 33051), (2395, 21597), (4695, 11017), (7185, 7199)]