2981013

素因数分解:

$3^1\times 7^3\times {\mathrm{2897}}^1$

素因数の和:2921

約数の個数: 16

約数和(自身を含む): 4636800

約数和(自身を除く): 1655787

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2897, 8691, 20279, 60837, 141953, 425859, 993671, 2981013]

約数ペア:

[(1, 2981013), (3, 993671), (7, 425859), (21, 141953), (49, 60837), (147, 20279), (343, 8691), (1029, 2897)]