30990687

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16217}}^1$

素因数の和:16247

約数の個数: 24

約数和(自身を含む): 51767856

約数和(自身を除く): 20777169

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 16217, 48651, 113519, 210821, 340557, 632463, 794633, 1475747, 2383899, 4427241, 10330229, 30990687]

約数ペア:

[(1, 30990687), (3, 10330229), (7, 4427241), (13, 2383899), (21, 1475747), (39, 794633), (49, 632463), (91, 340557), (147, 210821), (273, 113519), (637, 48651), (1911, 16217)]