78480507

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{28099}}^1$

素因数の和:28135

約数の個数: 24

約数和(自身を含む): 128136000

約数和(自身を除く): 49655493

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 28099, 84297, 196693, 533881, 590079, 1376851, 1601643, 3737167, 4130553, 11211501, 26160169, 78480507]

約数ペア:

[(1, 78480507), (3, 26160169), (7, 11211501), (19, 4130553), (21, 3737167), (49, 1601643), (57, 1376851), (133, 590079), (147, 533881), (399, 196693), (931, 84297), (2793, 28099)]