280178505

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{239}}^2$

素因数の和:598

約数の個数: 36

約数和(自身を含む): 492157380

約数和(自身を除く): 211978875

約数列:

[1, 3, 5, 9, 15, 45, 109, 239, 327, 545, 717, 981, 1195, 1635, 2151, 3585, 4905, 10755, 26051, 57121, 78153, 130255, 171363, 234459, 285605, 390765, 514089, 856815, 1172295, 2570445, 6226189, 18678567, 31130945, 56035701, 93392835, 280178505]

約数ペア:

[(1, 280178505), (3, 93392835), (5, 56035701), (9, 31130945), (15, 18678567), (45, 6226189), (109, 2570445), (239, 1172295), (327, 856815), (545, 514089), (717, 390765), (981, 285605), (1195, 234459), (1635, 171363), (2151, 130255), (3585, 78153), (4905, 57121), (10755, 26051)]