78571905

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2113}}^1$

素因数の和:2225

約数の個数: 32

約数和(自身を含む): 131101824

約数和(自身を除く): 52529919

約数列:

[1, 3, 5, 15, 37, 67, 111, 185, 201, 335, 555, 1005, 2113, 2479, 6339, 7437, 10565, 12395, 31695, 37185, 78181, 141571, 234543, 390905, 424713, 707855, 1172715, 2123565, 5238127, 15714381, 26190635, 78571905]

約数ペア:

[(1, 78571905), (3, 26190635), (5, 15714381), (15, 5238127), (37, 2123565), (67, 1172715), (111, 707855), (185, 424713), (201, 390905), (335, 234543), (555, 141571), (1005, 78181), (2113, 37185), (2479, 31695), (6339, 12395), (7437, 10565)]