142835

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:83

約数の個数: 24

約数和(自身を含む): 221616

約数和(自身を除く): 78781

約数列:

[1, 5, 7, 11, 35, 49, 53, 55, 77, 245, 265, 371, 385, 539, 583, 1855, 2597, 2695, 2915, 4081, 12985, 20405, 28567, 142835]

約数ペア:

[(1, 142835), (5, 28567), (7, 20405), (11, 12985), (35, 4081), (49, 2915), (53, 2695), (55, 2597), (77, 1855), (245, 583), (265, 539), (371, 385)]