156794985

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{81031}}^1$

素因数の和:81085

約数の個数: 24

約数和(自身を含む): 278101824

約数和(自身を除く): 121306839

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 81031, 243093, 405155, 729279, 1215465, 3484333, 3646395, 10452999, 17421665, 31358997, 52264995, 156794985]

約数ペア:

[(1, 156794985), (3, 52264995), (5, 31358997), (9, 17421665), (15, 10452999), (43, 3646395), (45, 3484333), (129, 1215465), (215, 729279), (387, 405155), (645, 243093), (1935, 81031)]