61988715

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81031}}^1$

素因数の和:81059

約数の個数: 24

約数和(自身を含む): 113768928

約数和(自身を除く): 51780213

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 81031, 243093, 405155, 729279, 1215465, 1377527, 3646395, 4132581, 6887635, 12397743, 20662905, 61988715]

約数ペア:

[(1, 61988715), (3, 20662905), (5, 12397743), (9, 6887635), (15, 4132581), (17, 3646395), (45, 1377527), (51, 1215465), (85, 729279), (153, 405155), (255, 243093), (765, 81031)]