438840909

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2797}}^1$

素因数の和:2971

約数の個数: 40

約数和(自身を含む): 710971800

約数和(自身を除く): 272130891

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 149, 351, 447, 1053, 1341, 1937, 2797, 4023, 5811, 8391, 12069, 17433, 25173, 36361, 52299, 75519, 109083, 156897, 226557, 327249, 416753, 981747, 1250259, 2945241, 3750777, 5417789, 11252331, 16253367, 33756993, 48760101, 146280303, 438840909]

約数ペア:

[(1, 438840909), (3, 146280303), (9, 48760101), (13, 33756993), (27, 16253367), (39, 11252331), (81, 5417789), (117, 3750777), (149, 2945241), (351, 1250259), (447, 981747), (1053, 416753), (1341, 327249), (1937, 226557), (2797, 156897), (4023, 109083), (5811, 75519), (8391, 52299), (12069, 36361), (17433, 25173)]