1867929

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 2949408

約数和(自身を除く): 1081479

約数列:

[1, 3, 7, 21, 49, 97, 131, 147, 291, 393, 679, 917, 2037, 2751, 4753, 6419, 12707, 14259, 19257, 38121, 88949, 266847, 622643, 1867929]

約数ペア:

[(1, 1867929), (3, 622643), (7, 266847), (21, 88949), (49, 38121), (97, 19257), (131, 14259), (147, 12707), (291, 6419), (393, 4753), (679, 2751), (917, 2037)]