1279177542

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{640229}}^1$

素因数の和:640277

約数の個数: 32

約数和(自身を含む): 2919448800

約数和(自身を除く): 1640271258

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 640229, 1280458, 1920687, 3841374, 5762061, 11524122, 17286183, 23688473, 34572366, 47376946, 71065419, 142130838, 213196257, 426392514, 639588771, 1279177542]

約数ペア:

[(1, 1279177542), (2, 639588771), (3, 426392514), (6, 213196257), (9, 142130838), (18, 71065419), (27, 47376946), (37, 34572366), (54, 23688473), (74, 17286183), (111, 11524122), (222, 5762061), (333, 3841374), (666, 1920687), (999, 1280458), (1998, 640229)]