13005909

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4801}}^1$

素因数の和:4857

約数の個数: 24

約数和(自身を含む): 21973952

約数和(自身を除く): 8968043

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 4801, 14403, 33607, 43209, 100821, 206443, 302463, 619329, 1445101, 1857987, 4335303, 13005909]

約数ペア:

[(1, 13005909), (3, 4335303), (7, 1857987), (9, 1445101), (21, 619329), (43, 302463), (63, 206443), (129, 100821), (301, 43209), (387, 33607), (903, 14403), (2709, 4801)]