64699389

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^2$

素因数の和:242

約数の個数: 36

約数和(自身を含む): 101144160

約数和(自身を除く): 36444771

約数列:

[1, 3, 9, 19, 57, 71, 73, 171, 213, 219, 639, 657, 1349, 1387, 4047, 4161, 5183, 5329, 12141, 12483, 15549, 15987, 46647, 47961, 98477, 101251, 295431, 303753, 378359, 886293, 911259, 1135077, 3405231, 7188821, 21566463, 64699389]

約数ペア:

[(1, 64699389), (3, 21566463), (9, 7188821), (19, 3405231), (57, 1135077), (71, 911259), (73, 886293), (171, 378359), (213, 303753), (219, 295431), (639, 101251), (657, 98477), (1349, 47961), (1387, 46647), (4047, 15987), (4161, 15549), (5183, 12483), (5329, 12141)]