1980996885

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{48751}}^1$

素因数の和:48815

約数の個数: 64

約数和(自身を含む): 4118568960

約数和(自身を除く): 2137572075

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 63, 105, 129, 135, 189, 215, 301, 315, 387, 645, 903, 945, 1161, 1505, 1935, 2709, 4515, 5805, 8127, 13545, 40635, 48751, 146253, 243755, 341257, 438759, 731265, 1023771, 1316277, 1706285, 2096293, 2193795, 3071313, 5118855, 6288879, 6581385, 9213939, 10481465, 14674051, 15356565, 18866637, 31444395, 44022153, 46069695, 56599911, 73370255, 94333185, 132066459, 220110765, 282999555, 396199377, 660332295, 1980996885]

約数ペア:

[(1, 1980996885), (3, 660332295), (5, 396199377), (7, 282999555), (9, 220110765), (15, 132066459), (21, 94333185), (27, 73370255), (35, 56599911), (43, 46069695), (45, 44022153), (63, 31444395), (105, 18866637), (129, 15356565), (135, 14674051), (189, 10481465), (215, 9213939), (301, 6581385), (315, 6288879), (387, 5118855), (645, 3071313), (903, 2193795), (945, 2096293), (1161, 1706285), (1505, 1316277), (1935, 1023771), (2709, 731265), (4515, 438759), (5805, 341257), (8127, 243755), (13545, 146253), (40635, 48751)]