81293037

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{359}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 127733760

約数和(自身を除く): 46440723

約数列:

[1, 3, 7, 21, 41, 123, 263, 287, 359, 789, 861, 1077, 1841, 2513, 5523, 7539, 10783, 14719, 32349, 44157, 75481, 94417, 103033, 226443, 283251, 309099, 660919, 1982757, 3871097, 11613291, 27097679, 81293037]

約数ペア:

[(1, 81293037), (3, 27097679), (7, 11613291), (21, 3871097), (41, 1982757), (123, 660919), (263, 309099), (287, 283251), (359, 226443), (789, 103033), (861, 94417), (1077, 75481), (1841, 44157), (2513, 32349), (5523, 14719), (7539, 10783)]