1254771

素因数分解:

$3^4\times 7^1\times {\mathrm{2213}}^1$

素因数の和:2232

約数の個数: 20

約数和(自身を含む): 2143152

約数和(自身を除く): 888381

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2213, 6639, 15491, 19917, 46473, 59751, 139419, 179253, 418257, 1254771]

約数ペア:

[(1, 1254771), (3, 418257), (7, 179253), (9, 139419), (21, 59751), (27, 46473), (63, 19917), (81, 15491), (189, 6639), (567, 2213)]