80236821

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{709}}^1$

素因数の和:1053

約数の個数: 32

約数和(自身を含む): 130049280

約数和(自身を除く): 49812459

約数列:

[1, 3, 7, 17, 21, 51, 119, 317, 357, 709, 951, 2127, 2219, 4963, 5389, 6657, 12053, 14889, 16167, 36159, 37723, 84371, 113169, 224753, 253113, 674259, 1573271, 3820801, 4719813, 11462403, 26745607, 80236821]

約数ペア:

[(1, 80236821), (3, 26745607), (7, 11462403), (17, 4719813), (21, 3820801), (51, 1573271), (119, 674259), (317, 253113), (357, 224753), (709, 113169), (951, 84371), (2127, 37723), (2219, 36159), (4963, 16167), (5389, 14889), (6657, 12053)]