140207865

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{190759}}^1$

素因数の和:190781

約数の個数: 24

約数和(自身を含む): 260959680

約数和(自身を除く): 120751815

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 190759, 572277, 953795, 1335313, 2861385, 4005939, 6676565, 9347191, 20029695, 28041573, 46735955, 140207865]

約数ペア:

[(1, 140207865), (3, 46735955), (5, 28041573), (7, 20029695), (15, 9347191), (21, 6676565), (35, 4005939), (49, 2861385), (105, 1335313), (147, 953795), (245, 572277), (735, 190759)]