1681995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 3128832

約数和(自身を除く): 1446837

約数列:

[1, 3, 5, 7, 15, 21, 35, 83, 105, 193, 249, 415, 579, 581, 965, 1245, 1351, 1743, 2895, 2905, 4053, 6755, 8715, 16019, 20265, 48057, 80095, 112133, 240285, 336399, 560665, 1681995]

約数ペア:

[(1, 1681995), (3, 560665), (5, 336399), (7, 240285), (15, 112133), (21, 80095), (35, 48057), (83, 20265), (105, 16019), (193, 8715), (249, 6755), (415, 4053), (579, 2905), (581, 2895), (965, 1743), (1245, 1351)]