256576275

素因数分解:

$3^3\times 5^2\times {\mathrm{593}}^1\times {\mathrm{641}}^1$

素因数の和:1253

約数の個数: 48

約数和(自身を含む): 472871520

約数和(自身を除く): 216295245

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 593, 641, 675, 1779, 1923, 2965, 3205, 5337, 5769, 8895, 9615, 14825, 16011, 16025, 17307, 26685, 28845, 44475, 48075, 80055, 86535, 133425, 144225, 380113, 400275, 432675, 1140339, 1900565, 3421017, 5701695, 9502825, 10263051, 17105085, 28508475, 51315255, 85525425, 256576275]

約数ペア:

[(1, 256576275), (3, 85525425), (5, 51315255), (9, 28508475), (15, 17105085), (25, 10263051), (27, 9502825), (45, 5701695), (75, 3421017), (135, 1900565), (225, 1140339), (593, 432675), (641, 400275), (675, 380113), (1779, 144225), (1923, 133425), (2965, 86535), (3205, 80055), (5337, 48075), (5769, 44475), (8895, 28845), (9615, 26685), (14825, 17307), (16011, 16025)]