28722687

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{29101}}^1$

素因数の和:29158

約数の個数: 16

約数和(自身を含む): 44700672

約数和(自身を除く): 15977985

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 29101, 87303, 203707, 611121, 1367747, 4103241, 9574229, 28722687]

約数ペア:

[(1, 28722687), (3, 9574229), (7, 4103241), (21, 1367747), (47, 611121), (141, 203707), (329, 87303), (987, 29101)]