8142561

素因数分解:

$3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{421}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 13517504

約数和(自身を除く): 5374943

約数列:

[1, 3, 7, 9, 21, 63, 307, 421, 921, 1263, 2149, 2763, 2947, 3789, 6447, 8841, 19341, 26523, 129247, 387741, 904729, 1163223, 2714187, 8142561]

約数ペア:

[(1, 8142561), (3, 2714187), (7, 1163223), (9, 904729), (21, 387741), (63, 129247), (307, 26523), (421, 19341), (921, 8841), (1263, 6447), (2149, 3789), (2763, 2947)]