1402821

素因数分解:

$3^2\times 7^2\times {\mathrm{3181}}^1$

素因数の和:3201

約数の個数: 18

約数和(自身を含む): 2357862

約数和(自身を除く): 955041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 3181, 9543, 22267, 28629, 66801, 155869, 200403, 467607, 1402821]

約数ペア:

[(1, 1402821), (3, 467607), (7, 200403), (9, 155869), (21, 66801), (49, 28629), (63, 22267), (147, 9543), (441, 3181)]