387747945

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220939}}^1$

素因数の和:220966

約数の個数: 32

約数和(自身を含む): 742358400

約数和(自身を除く): 354610455

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 220939, 662817, 1104695, 1988451, 2872207, 3314085, 5965353, 8616621, 9942255, 14361035, 25849863, 29826765, 43083105, 77549589, 129249315, 387747945]

約数ペア:

[(1, 387747945), (3, 129249315), (5, 77549589), (9, 43083105), (13, 29826765), (15, 25849863), (27, 14361035), (39, 9942255), (45, 8616621), (65, 5965353), (117, 3314085), (135, 2872207), (195, 1988451), (351, 1104695), (585, 662817), (1755, 220939)]