78141021

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{41809}}^1$

素因数の和:41908

約数の個数: 16

約数和(自身を含む): 120412800

約数和(自身を除く): 42271779

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 41809, 125427, 292663, 877989, 3721001, 11163003, 26047007, 78141021]

約数ペア:

[(1, 78141021), (3, 26047007), (7, 11163003), (21, 3721001), (89, 877989), (267, 292663), (623, 125427), (1869, 41809)]