81960138

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{350257}}^1$

素因数の和:350278

約数の個数: 24

約数和(自身を含む): 191240868

約数和(自身を除く): 109280730

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 350257, 700514, 1050771, 2101542, 3152313, 4553341, 6304626, 9106682, 13660023, 27320046, 40980069, 81960138]

約数ペア:

[(1, 81960138), (2, 40980069), (3, 27320046), (6, 13660023), (9, 9106682), (13, 6304626), (18, 4553341), (26, 3152313), (39, 2101542), (78, 1050771), (117, 700514), (234, 350257)]