13870555

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:399

約数の個数: 24

約数和(自身を含む): 18346320

約数和(自身を除く): 4475765

約数列:

[1, 5, 17, 29, 85, 145, 289, 331, 493, 1445, 1655, 2465, 5627, 8381, 9599, 28135, 41905, 47995, 95659, 163183, 478295, 815915, 2774111, 13870555]

約数ペア:

[(1, 13870555), (5, 2774111), (17, 815915), (29, 478295), (85, 163183), (145, 95659), (289, 47995), (331, 41905), (493, 28135), (1445, 9599), (1655, 8381), (2465, 5627)]