18152811

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 27359280

約数和(自身を除く): 9206469

約数列:

[1, 3, 9, 29, 87, 157, 261, 443, 471, 1329, 1413, 3987, 4553, 12847, 13659, 38541, 40977, 69551, 115623, 208653, 625959, 2016979, 6050937, 18152811]

約数ペア:

[(1, 18152811), (3, 6050937), (9, 2016979), (29, 625959), (87, 208653), (157, 115623), (261, 69551), (443, 40977), (471, 38541), (1329, 13659), (1413, 12847), (3987, 4553)]