15991353

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^2\times {\mathrm{151}}^1$

素因数の和:246

約数の個数: 36

約数和(自身を含む): 27237184

約数和(自身を除く): 11245831

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 151, 287, 369, 453, 861, 1057, 1359, 1681, 2583, 3171, 5043, 6191, 9513, 11767, 15129, 18573, 35301, 43337, 55719, 105903, 130011, 253831, 390033, 761493, 1776817, 2284479, 5330451, 15991353]

約数ペア:

[(1, 15991353), (3, 5330451), (7, 2284479), (9, 1776817), (21, 761493), (41, 390033), (63, 253831), (123, 130011), (151, 105903), (287, 55719), (369, 43337), (453, 35301), (861, 18573), (1057, 15129), (1359, 11767), (1681, 9513), (2583, 6191), (3171, 5043)]