28819065

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{449}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 50544000

約数和(自身を除く): 21724935

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 389, 449, 1167, 1347, 1945, 2245, 4279, 4939, 5835, 6735, 12837, 14817, 21395, 24695, 64185, 74085, 174661, 523983, 873305, 1921271, 2619915, 5763813, 9606355, 28819065]

約数ペア:

[(1, 28819065), (3, 9606355), (5, 5763813), (11, 2619915), (15, 1921271), (33, 873305), (55, 523983), (165, 174661), (389, 74085), (449, 64185), (1167, 24695), (1347, 21395), (1945, 14817), (2245, 12837), (4279, 6735), (4939, 5835)]