71348571

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{6257}}^1$

素因数の和:6451

約数の個数: 24

約数和(自身を含む): 118451424

約数和(自身を除く): 47102853

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1629, 3801, 6257, 11403, 18771, 43799, 56313, 131397, 394191, 1132517, 3397551, 7927619, 10192653, 23782857, 71348571]

約数ペア:

[(1, 71348571), (3, 23782857), (7, 10192653), (9, 7927619), (21, 3397551), (63, 1132517), (181, 394191), (543, 131397), (1267, 56313), (1629, 43799), (3801, 18771), (6257, 11403)]