489291249

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 697466880

約数和(自身を除く): 208175631

約数列:

[1, 3, 19, 57, 127, 257, 263, 381, 771, 789, 2413, 4883, 4997, 7239, 14649, 14991, 32639, 33401, 67591, 97917, 100203, 202773, 620141, 634619, 1284229, 1860423, 1903857, 3852687, 8584057, 25752171, 163097083, 489291249]

約数ペア:

[(1, 489291249), (3, 163097083), (19, 25752171), (57, 8584057), (127, 3852687), (257, 1903857), (263, 1860423), (381, 1284229), (771, 634619), (789, 620141), (2413, 202773), (4883, 100203), (4997, 97917), (7239, 67591), (14649, 33401), (14991, 32639)]