71587431

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{1447}}^1$

素因数の和:1715

約数の個数: 24

約数和(自身を含む): 108426240

約数和(自身を除く): 36838809

約数列:

[1, 3, 9, 23, 69, 207, 239, 717, 1447, 2151, 4341, 5497, 13023, 16491, 33281, 49473, 99843, 299529, 345833, 1037499, 3112497, 7954159, 23862477, 71587431]

約数ペア:

[(1, 71587431), (3, 23862477), (9, 7954159), (23, 3112497), (69, 1037499), (207, 345833), (239, 299529), (717, 99843), (1447, 49473), (2151, 33281), (4341, 16491), (5497, 13023)]