28639779

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{29017}}^1$

素因数の和:29074

約数の個数: 16

約数和(自身を含む): 44571648

約数和(自身を除く): 15931869

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 29017, 87051, 203119, 609357, 1363799, 4091397, 9546593, 28639779]

約数ペア:

[(1, 28639779), (3, 9546593), (7, 4091397), (21, 1363799), (47, 609357), (141, 203119), (329, 87051), (987, 29017)]