243177987

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{293}}^1\times {\mathrm{1637}}^1$

素因数の和:1959

約数の個数: 24

約数和(自身を含む): 352510704

約数和(自身を除く): 109332717

約数列:

[1, 3, 13, 39, 169, 293, 507, 879, 1637, 3809, 4911, 11427, 21281, 49517, 63843, 148551, 276653, 479641, 829959, 1438923, 6235333, 18705999, 81059329, 243177987]

約数ペア:

[(1, 243177987), (3, 81059329), (13, 18705999), (39, 6235333), (169, 1438923), (293, 829959), (507, 479641), (879, 276653), (1637, 148551), (3809, 63843), (4911, 49517), (11427, 21281)]