87779415

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{20249}}^1$

素因数の和:20291

約数の個数: 24

約数和(自身を含む): 149202000

約数和(自身を除く): 61422585

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 20249, 60747, 101245, 303735, 344233, 1032699, 1721165, 5163495, 5851961, 17555883, 29259805, 87779415]

約数ペア:

[(1, 87779415), (3, 29259805), (5, 17555883), (15, 5851961), (17, 5163495), (51, 1721165), (85, 1032699), (255, 344233), (289, 303735), (867, 101245), (1445, 60747), (4335, 20249)]