20121631215

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27376369}}^1$

素因数の和:27376391

約数の個数: 24

約数和(自身を含む): 37450874160

約数和(自身を除く): 17329242945

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27376369, 82129107, 136881845, 191634583, 410645535, 574903749, 958172915, 1341442081, 2874518745, 4024326243, 6707210405, 20121631215]

約数ペア:

[(1, 20121631215), (3, 6707210405), (5, 4024326243), (7, 2874518745), (15, 1341442081), (21, 958172915), (35, 574903749), (49, 410645535), (105, 191634583), (147, 136881845), (245, 82129107), (735, 27376369)]