261765

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{277}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 533760

約数和(自身を除く): 271995

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 277, 315, 831, 945, 1385, 1939, 2493, 4155, 5817, 7479, 9695, 12465, 17451, 29085, 37395, 52353, 87255, 261765]

約数ペア:

[(1, 261765), (3, 87255), (5, 52353), (7, 37395), (9, 29085), (15, 17451), (21, 12465), (27, 9695), (35, 7479), (45, 5817), (63, 4155), (105, 2493), (135, 1939), (189, 1385), (277, 945), (315, 831)]