318156687

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{293}}^1\times {\mathrm{307}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 478114560

約数和(自身を除く): 159957873

約数列:

[1, 3, 9, 27, 131, 293, 307, 393, 879, 921, 1179, 2637, 2763, 3537, 7911, 8289, 38383, 40217, 89951, 115149, 120651, 269853, 345447, 361953, 809559, 1036341, 1085859, 2428677, 11783581, 35350743, 106052229, 318156687]

約数ペア:

[(1, 318156687), (3, 106052229), (9, 35350743), (27, 11783581), (131, 2428677), (293, 1085859), (307, 1036341), (393, 809559), (879, 361953), (921, 345447), (1179, 269853), (2637, 120651), (2763, 115149), (3537, 89951), (7911, 40217), (8289, 38383)]