27212787

素因数分解:

$3^3\times 7^2\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:397

約数の個数: 48

約数和(自身を含む): 47752320

約数和(自身を除く): 20539533

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 67, 147, 189, 201, 307, 441, 469, 603, 921, 1323, 1407, 1809, 2149, 2763, 3283, 4221, 6447, 8289, 9849, 12663, 15043, 19341, 20569, 29547, 45129, 58023, 61707, 88641, 135387, 143983, 185121, 406161, 431949, 555363, 1007881, 1295847, 3023643, 3887541, 9070929, 27212787]

約数ペア:

[(1, 27212787), (3, 9070929), (7, 3887541), (9, 3023643), (21, 1295847), (27, 1007881), (49, 555363), (63, 431949), (67, 406161), (147, 185121), (189, 143983), (201, 135387), (307, 88641), (441, 61707), (469, 58023), (603, 45129), (921, 29547), (1323, 20569), (1407, 19341), (1809, 15043), (2149, 12663), (2763, 9849), (3283, 8289), (4221, 6447)]