249756057

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{38921}}^1$

素因数の和:38981

約数の個数: 24

約数和(自身を含む): 388597248

約数和(自身を除く): 138841191

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 6417, 38921, 116763, 350289, 895183, 1206551, 2685549, 3619653, 8056647, 10858959, 27750673, 83252019, 249756057]

約数ペア:

[(1, 249756057), (3, 83252019), (9, 27750673), (23, 10858959), (31, 8056647), (69, 3619653), (93, 2685549), (207, 1206551), (279, 895183), (713, 350289), (2139, 116763), (6417, 38921)]