31093101

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 20798739

約数列:

[1, 3, 9, 13, 19, 39, 57, 71, 117, 171, 197, 213, 247, 591, 639, 741, 923, 1349, 1773, 2223, 2561, 2769, 3743, 4047, 7683, 8307, 11229, 12141, 13987, 17537, 23049, 33687, 41961, 48659, 52611, 125883, 145977, 157833, 181831, 265753, 437931, 545493, 797259, 1636479, 2391777, 3454789, 10364367, 31093101]

約数ペア:

[(1, 31093101), (3, 10364367), (9, 3454789), (13, 2391777), (19, 1636479), (39, 797259), (57, 545493), (71, 437931), (117, 265753), (171, 181831), (197, 157833), (213, 145977), (247, 125883), (591, 52611), (639, 48659), (741, 41961), (923, 33687), (1349, 23049), (1773, 17537), (2223, 13987), (2561, 12141), (2769, 11229), (3743, 8307), (4047, 7683)]