138849879

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{10613}}^1$

素因数の和:10719

約数の個数: 24

約数和(自身を含む): 217799280

約数和(自身を除く): 78949401

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 623, 1869, 4361, 10613, 13083, 31839, 74291, 222873, 520037, 944557, 1560111, 2833671, 6611899, 19835697, 46283293, 138849879]

約数ペア:

[(1, 138849879), (3, 46283293), (7, 19835697), (21, 6611899), (49, 2833671), (89, 1560111), (147, 944557), (267, 520037), (623, 222873), (1869, 74291), (4361, 31839), (10613, 13083)]