12897535

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{863}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 18320256

約数和(自身を除く): 5422721

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 427, 863, 2135, 2989, 4315, 6041, 14945, 30205, 42287, 52643, 211435, 263215, 368501, 1842505, 2579507, 12897535]

約数ペア:

[(1, 12897535), (5, 2579507), (7, 1842505), (35, 368501), (49, 263215), (61, 211435), (245, 52643), (305, 42287), (427, 30205), (863, 14945), (2135, 6041), (2989, 4315)]