12920323

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 15644720

約数和(自身を除く): 2724397

約数列:

[1, 13, 17, 19, 181, 221, 247, 289, 323, 2353, 3077, 3439, 3757, 4199, 5491, 40001, 44707, 52309, 58463, 71383, 680017, 760019, 993871, 12920323]

約数ペア:

[(1, 12920323), (13, 993871), (17, 760019), (19, 680017), (181, 71383), (221, 58463), (247, 52309), (289, 44707), (323, 40001), (2353, 5491), (3077, 4199), (3439, 3757)]