81006345

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3727}}^1$

素因数の和:3771

約数の個数: 64

約数和(自身を含む): 171786240

約数和(自身を除く): 90779895

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 63, 69, 105, 115, 135, 161, 189, 207, 315, 345, 483, 621, 805, 945, 1035, 1449, 2415, 3105, 3727, 4347, 7245, 11181, 18635, 21735, 26089, 33543, 55905, 78267, 85721, 100629, 130445, 167715, 234801, 257163, 391335, 428605, 503145, 600047, 704403, 771489, 1174005, 1285815, 1800141, 2314467, 3000235, 3522015, 3857445, 5400423, 9000705, 11572335, 16201269, 27002115, 81006345]

約数ペア:

[(1, 81006345), (3, 27002115), (5, 16201269), (7, 11572335), (9, 9000705), (15, 5400423), (21, 3857445), (23, 3522015), (27, 3000235), (35, 2314467), (45, 1800141), (63, 1285815), (69, 1174005), (105, 771489), (115, 704403), (135, 600047), (161, 503145), (189, 428605), (207, 391335), (315, 257163), (345, 234801), (483, 167715), (621, 130445), (805, 100629), (945, 85721), (1035, 78267), (1449, 55905), (2415, 33543), (3105, 26089), (3727, 21735), (4347, 18635), (7245, 11181)]