81668151

素因数分解:

$3^2\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{613}}^1$

素因数の和:863

約数の個数: 24

約数和(自身を含む): 120113136

約数和(自身を除く): 38444985

約数列:

[1, 3, 9, 113, 131, 339, 393, 613, 1017, 1179, 1839, 5517, 14803, 44409, 69269, 80303, 133227, 207807, 240909, 623421, 722727, 9074239, 27222717, 81668151]

約数ペア:

[(1, 81668151), (3, 27222717), (9, 9074239), (113, 722727), (131, 623421), (339, 240909), (393, 207807), (613, 133227), (1017, 80303), (1179, 69269), (1839, 44409), (5517, 14803)]