655304823

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{120749}}^1$

素因数の和:120828

約数の個数: 20

約数和(自身を含む): 993531000

約数和(自身を除く): 338226177

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 120749, 362247, 1086741, 3260223, 8090183, 9780669, 24270549, 72811647, 218434941, 655304823]

約数ペア:

[(1, 655304823), (3, 218434941), (9, 72811647), (27, 24270549), (67, 9780669), (81, 8090183), (201, 3260223), (603, 1086741), (1809, 362247), (5427, 120749)]