644080329

素因数分解:

$3^4\times {\mathrm{467}}^1\times {\mathrm{17027}}^1$

素因数の和:17506

約数の個数: 20

約数和(自身を含む): 964261584

約数和(自身を除く): 320181255

約数列:

[1, 3, 9, 27, 81, 467, 1401, 4203, 12609, 17027, 37827, 51081, 153243, 459729, 1379187, 7951609, 23854827, 71564481, 214693443, 644080329]

約数ペア:

[(1, 644080329), (3, 214693443), (9, 71564481), (27, 23854827), (81, 7951609), (467, 1379187), (1401, 459729), (4203, 153243), (12609, 51081), (17027, 37827)]