72415863

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{68771}}^1$

素因数の和:68796

約数の個数: 20

約数和(自身を含む): 116499768

約数和(自身を除く): 44083905

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 68771, 206313, 618939, 894023, 1856817, 2682069, 5570451, 8046207, 24138621, 72415863]

約数ペア:

[(1, 72415863), (3, 24138621), (9, 8046207), (13, 5570451), (27, 2682069), (39, 1856817), (81, 894023), (117, 618939), (351, 206313), (1053, 68771)]