81196161

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 115519488

約数和(自身を除く): 34323327

約数列:

[1, 3, 31, 67, 83, 93, 157, 201, 249, 471, 2077, 2573, 4867, 5561, 6231, 7719, 10519, 13031, 14601, 16683, 31557, 39093, 172391, 326089, 403961, 517173, 873077, 978267, 1211883, 2619231, 27065387, 81196161]

約数ペア:

[(1, 81196161), (3, 27065387), (31, 2619231), (67, 1211883), (83, 978267), (93, 873077), (157, 517173), (201, 403961), (249, 326089), (471, 172391), (2077, 39093), (2573, 31557), (4867, 16683), (5561, 14601), (6231, 13031), (7719, 10519)]