78640239

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{1933}}^1$

素因数の和:2198

約数の個数: 16

約数和(自身を含む): 106942464

約数和(自身を除く): 28302225

約数列:

[1, 3, 71, 191, 213, 573, 1933, 5799, 13561, 40683, 137243, 369203, 411729, 1107609, 26213413, 78640239]

約数ペア:

[(1, 78640239), (3, 26213413), (71, 1107609), (191, 411729), (213, 369203), (573, 137243), (1933, 40683), (5799, 13561)]