213723939

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 355622400

約数和(自身を除く): 141898461

約数列:

[1, 3, 11, 13, 29, 33, 39, 41, 87, 123, 143, 319, 377, 419, 429, 451, 533, 957, 1131, 1189, 1257, 1353, 1599, 3567, 4147, 4609, 5447, 5863, 12151, 12441, 13079, 13827, 15457, 16341, 17179, 17589, 36453, 39237, 46371, 51537, 59917, 133661, 157963, 170027, 179751, 188969, 223327, 400983, 473889, 498191, 510081, 566907, 669981, 1494573, 1737593, 2456597, 5212779, 5480101, 6476483, 7369791, 16440303, 19429449, 71241313, 213723939]

約数ペア:

[(1, 213723939), (3, 71241313), (11, 19429449), (13, 16440303), (29, 7369791), (33, 6476483), (39, 5480101), (41, 5212779), (87, 2456597), (123, 1737593), (143, 1494573), (319, 669981), (377, 566907), (419, 510081), (429, 498191), (451, 473889), (533, 400983), (957, 223327), (1131, 188969), (1189, 179751), (1257, 170027), (1353, 157963), (1599, 133661), (3567, 59917), (4147, 51537), (4609, 46371), (5447, 39237), (5863, 36453), (12151, 17589), (12441, 17179), (13079, 16341), (13827, 15457)]