78721005

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{10151}}^1$

素因数の和:10217

約数の個数: 32

約数和(自身を含む): 140341248

約数和(自身を除く): 61620243

約数列:

[1, 3, 5, 11, 15, 33, 47, 55, 141, 165, 235, 517, 705, 1551, 2585, 7755, 10151, 30453, 50755, 111661, 152265, 334983, 477097, 558305, 1431291, 1674915, 2385485, 5248067, 7156455, 15744201, 26240335, 78721005]

約数ペア:

[(1, 78721005), (3, 26240335), (5, 15744201), (11, 7156455), (15, 5248067), (33, 2385485), (47, 1674915), (55, 1431291), (141, 558305), (165, 477097), (235, 334983), (517, 152265), (705, 111661), (1551, 50755), (2585, 30453), (7755, 10151)]