81317754

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{13171}}^1$

素因数の和:13200

約数の個数: 48

約数和(自身を含む): 205483200

約数和(自身を除く): 124165446

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 6174, 13171, 26342, 39513, 79026, 92197, 118539, 184394, 237078, 276591, 553182, 645379, 829773, 1290758, 1659546, 1936137, 3872274, 4517653, 5808411, 9035306, 11616822, 13552959, 27105918, 40658877, 81317754]

約数ペア:

[(1, 81317754), (2, 40658877), (3, 27105918), (6, 13552959), (7, 11616822), (9, 9035306), (14, 5808411), (18, 4517653), (21, 3872274), (42, 1936137), (49, 1659546), (63, 1290758), (98, 829773), (126, 645379), (147, 553182), (294, 276591), (343, 237078), (441, 184394), (686, 118539), (882, 92197), (1029, 79026), (2058, 39513), (3087, 26342), (6174, 13171)]