13120209

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2957}}^1$

素因数の和:3009

約数の個数: 24

約数和(自身を含む): 20765160

約数和(自身を除く): 7644951

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 2957, 4437, 8871, 26613, 50269, 85753, 150807, 257259, 452421, 771777, 1457801, 4373403, 13120209]

約数ペア:

[(1, 13120209), (3, 4373403), (9, 1457801), (17, 771777), (29, 452421), (51, 257259), (87, 150807), (153, 85753), (261, 50269), (493, 26613), (1479, 8871), (2957, 4437)]