7218285

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28307}}^1$

素因数の和:28332

約数の個数: 16

約数和(自身を含む): 12229056

約数和(自身を除く): 5010771

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 28307, 84921, 141535, 424605, 481219, 1443657, 2406095, 7218285]

約数ペア:

[(1, 7218285), (3, 2406095), (5, 1443657), (15, 481219), (17, 424605), (51, 141535), (85, 84921), (255, 28307)]