258696585

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{10139}}^1$

素因数の和:10169

約数の個数: 56

約数和(自身を含む): 531984960

約数和(自身を除く): 273288375

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 729, 945, 1215, 1701, 2835, 3645, 5103, 8505, 10139, 25515, 30417, 50695, 70973, 91251, 152085, 212919, 273753, 354865, 456255, 638757, 821259, 1064595, 1368765, 1916271, 2463777, 3193785, 4106295, 5748813, 7391331, 9581355, 12318885, 17246439, 28744065, 36956655, 51739317, 86232195, 258696585]

約数ペア:

[(1, 258696585), (3, 86232195), (5, 51739317), (7, 36956655), (9, 28744065), (15, 17246439), (21, 12318885), (27, 9581355), (35, 7391331), (45, 5748813), (63, 4106295), (81, 3193785), (105, 2463777), (135, 1916271), (189, 1368765), (243, 1064595), (315, 821259), (405, 638757), (567, 456255), (729, 354865), (945, 273753), (1215, 212919), (1701, 152085), (2835, 91251), (3645, 70973), (5103, 50695), (8505, 30417), (10139, 25515)]