81535821

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{953}}^1$

素因数の和:1073

約数の個数: 24

約数和(自身を含む): 116311680

約数和(自身を除く): 34775859

約数列:

[1, 3, 19, 57, 79, 237, 361, 953, 1083, 1501, 2859, 4503, 18107, 28519, 54321, 75287, 85557, 225861, 344033, 1032099, 1430453, 4291359, 27178607, 81535821]

約数ペア:

[(1, 81535821), (3, 27178607), (19, 4291359), (57, 1430453), (79, 1032099), (237, 344033), (361, 225861), (953, 85557), (1083, 75287), (1501, 54321), (2859, 28519), (4503, 18107)]