87812277

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 137088000

約数和(自身を除く): 49275723

約数列:

[1, 3, 7, 21, 67, 139, 201, 417, 449, 469, 973, 1347, 1407, 2919, 3143, 9313, 9429, 27939, 30083, 62411, 65191, 90249, 187233, 195573, 210581, 436877, 631743, 1310631, 4181537, 12544611, 29270759, 87812277]

約数ペア:

[(1, 87812277), (3, 29270759), (7, 12544611), (21, 4181537), (67, 1310631), (139, 631743), (201, 436877), (417, 210581), (449, 195573), (469, 187233), (973, 90249), (1347, 65191), (1407, 62411), (2919, 30083), (3143, 27939), (9313, 9429)]