81188478

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{644353}}^1$

素因数の和:644368

約数の個数: 24

約数和(自身を含む): 201038448

約数和(自身を除く): 119849970

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 644353, 1288706, 1933059, 3866118, 4510471, 5799177, 9020942, 11598354, 13531413, 27062826, 40594239, 81188478]

約数ペア:

[(1, 81188478), (2, 40594239), (3, 27062826), (6, 13531413), (7, 11598354), (9, 9020942), (14, 5799177), (18, 4510471), (21, 3866118), (42, 1933059), (63, 1288706), (126, 644353)]