289041471

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{6427}}^1$

素因数の和:6715

約数の個数: 24

約数和(自身を含む): 441217920

約数和(自身を除く): 152176449

約数列:

[1, 3, 9, 19, 57, 171, 263, 789, 2367, 4997, 6427, 14991, 19281, 44973, 57843, 122113, 366339, 1099017, 1690301, 5070903, 15212709, 32115719, 96347157, 289041471]

約数ペア:

[(1, 289041471), (3, 96347157), (9, 32115719), (19, 15212709), (57, 5070903), (171, 1690301), (263, 1099017), (789, 366339), (2367, 122113), (4997, 57843), (6427, 44973), (14991, 19281)]