2197305

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 4358016

約数和(自身を除く): 2160711

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 45, 55, 69, 99, 115, 165, 193, 207, 253, 345, 495, 579, 759, 965, 1035, 1265, 1737, 2123, 2277, 2895, 3795, 4439, 6369, 8685, 10615, 11385, 13317, 19107, 22195, 31845, 39951, 48829, 66585, 95535, 146487, 199755, 244145, 439461, 732435, 2197305]

約数ペア:

[(1, 2197305), (3, 732435), (5, 439461), (9, 244145), (11, 199755), (15, 146487), (23, 95535), (33, 66585), (45, 48829), (55, 39951), (69, 31845), (99, 22195), (115, 19107), (165, 13317), (193, 11385), (207, 10615), (253, 8685), (345, 6369), (495, 4439), (579, 3795), (759, 2895), (965, 2277), (1035, 2123), (1265, 1737)]