12947515

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1229}}^1$

素因数の和:1291

約数の個数: 24

約数和(自身を含む): 18509040

約数和(自身を除く): 5561525

約数列:

[1, 5, 7, 35, 43, 49, 215, 245, 301, 1229, 1505, 2107, 6145, 8603, 10535, 43015, 52847, 60221, 264235, 301105, 369929, 1849645, 2589503, 12947515]

約数ペア:

[(1, 12947515), (5, 2589503), (7, 1849645), (35, 369929), (43, 301105), (49, 264235), (215, 60221), (245, 52847), (301, 43015), (1229, 10535), (1505, 8603), (2107, 6145)]