81031027

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{601}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 108186624

約数和(自身を除く): 27155597

約数列:

[1, 7, 11, 17, 77, 103, 119, 187, 601, 721, 1133, 1309, 1751, 4207, 6611, 7931, 10217, 12257, 19261, 46277, 61903, 71519, 112387, 134827, 433321, 680933, 786709, 1052351, 4766531, 7366457, 11575861, 81031027]

約数ペア:

[(1, 81031027), (7, 11575861), (11, 7366457), (17, 4766531), (77, 1052351), (103, 786709), (119, 680933), (187, 433321), (601, 134827), (721, 112387), (1133, 71519), (1309, 61903), (1751, 46277), (4207, 19261), (6611, 12257), (7931, 10217)]