78271785

素因数分解:

$3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3557}}^1$

素因数の和:3734

約数の個数: 32

約数和(自身を含む): 140042880

約数和(自身を除く): 61771095

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 163, 489, 815, 1467, 2445, 3557, 4401, 7335, 10671, 17785, 22005, 32013, 53355, 96039, 160065, 480195, 579791, 1739373, 2898955, 5218119, 8696865, 15654357, 26090595, 78271785]

約数ペア:

[(1, 78271785), (3, 26090595), (5, 15654357), (9, 8696865), (15, 5218119), (27, 2898955), (45, 1739373), (135, 579791), (163, 480195), (489, 160065), (815, 96039), (1467, 53355), (2445, 32013), (3557, 22005), (4401, 17785), (7335, 10671)]