53870211

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 82100480

約数和(自身を除く): 28230269

約数列:

[1, 3, 9, 27, 67, 97, 201, 291, 307, 603, 873, 921, 1809, 2619, 2763, 6499, 8289, 19497, 20569, 29779, 58491, 61707, 89337, 175473, 185121, 268011, 555363, 804033, 1995193, 5985579, 17956737, 53870211]

約数ペア:

[(1, 53870211), (3, 17956737), (9, 5985579), (27, 1995193), (67, 804033), (97, 555363), (201, 268011), (291, 185121), (307, 175473), (603, 89337), (873, 61707), (921, 58491), (1809, 29779), (2619, 20569), (2763, 19497), (6499, 8289)]