28282191

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9689}}^1$

素因数の和:9838

約数の個数: 16

約数和(自身を含む): 43411200

約数和(自身を除く): 15129009

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 9689, 29067, 67823, 203469, 1346771, 4040313, 9427397, 28282191]

約数ペア:

[(1, 28282191), (3, 9427397), (7, 4040313), (21, 1346771), (139, 203469), (417, 67823), (973, 29067), (2919, 9689)]