890267505

素因数分解:

$3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1\times {\mathrm{1699}}^1$

素因数の和:2081

約数の個数: 32

約数和(自身を含む): 1440566400

約数和(自身を除く): 550298895

約数列:

[1, 3, 5, 15, 181, 193, 543, 579, 905, 965, 1699, 2715, 2895, 5097, 8495, 25485, 34933, 104799, 174665, 307519, 327907, 523995, 922557, 983721, 1537595, 1639535, 4612785, 4918605, 59351167, 178053501, 296755835, 890267505]

約数ペア:

[(1, 890267505), (3, 296755835), (5, 178053501), (15, 59351167), (181, 4918605), (193, 4612785), (543, 1639535), (579, 1537595), (905, 983721), (965, 922557), (1699, 523995), (2715, 327907), (2895, 307519), (5097, 174665), (8495, 104799), (25485, 34933)]