28078827

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{70373}}^1$

素因数の和:70402

約数の個数: 16

約数和(自身を含む): 45039360

約数和(自身を除く): 16960533

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 70373, 211119, 492611, 1337087, 1477833, 4011261, 9359609, 28078827]

約数ペア:

[(1, 28078827), (3, 9359609), (7, 4011261), (19, 1477833), (21, 1337087), (57, 492611), (133, 211119), (399, 70373)]