8720487

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 13824000

約数和(自身を除く): 5103513

約数列:

[1, 3, 9, 19, 27, 57, 89, 171, 191, 267, 513, 573, 801, 1691, 1719, 2403, 3629, 5073, 5157, 10887, 15219, 16999, 32661, 45657, 50997, 97983, 152991, 322981, 458973, 968943, 2906829, 8720487]

約数ペア:

[(1, 8720487), (3, 2906829), (9, 968943), (19, 458973), (27, 322981), (57, 152991), (89, 97983), (171, 50997), (191, 45657), (267, 32661), (513, 16999), (573, 15219), (801, 10887), (1691, 5157), (1719, 5073), (2403, 3629)]