13871241

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 20825376

約数和(自身を除く): 6954135

約数列:

[1, 3, 9, 43, 73, 129, 219, 387, 491, 657, 1473, 3139, 4419, 9417, 21113, 28251, 35843, 63339, 107529, 190017, 322587, 1541249, 4623747, 13871241]

約数ペア:

[(1, 13871241), (3, 4623747), (9, 1541249), (43, 322587), (73, 190017), (129, 107529), (219, 63339), (387, 35843), (491, 28251), (657, 21113), (1473, 9417), (3139, 4419)]