205659813

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 295787520

約数和(自身を除く): 90127707

約数列:

[1, 3, 23, 41, 69, 123, 139, 417, 523, 943, 1569, 2829, 3197, 5699, 9591, 12029, 17097, 21443, 36087, 64329, 72697, 131077, 218091, 393231, 493189, 1479567, 1672031, 2980577, 5016093, 8941731, 68553271, 205659813]

約数ペア:

[(1, 205659813), (3, 68553271), (23, 8941731), (41, 5016093), (69, 2980577), (123, 1672031), (139, 1479567), (417, 493189), (523, 393231), (943, 218091), (1569, 131077), (2829, 72697), (3197, 64329), (5699, 36087), (9591, 21443), (12029, 17097)]