18446568021

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{895421}}^1$

素因数の和:895546

約数の個数: 32

約数和(自身を含む): 31518854400

約数和(自身を除く): 13072286379

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 189, 327, 763, 981, 2289, 2943, 6867, 20601, 895421, 2686263, 6267947, 8058789, 18803841, 24176367, 56411523, 97600889, 169234569, 292802667, 683206223, 878408001, 2049618669, 2635224003, 6148856007, 18446568021]

約数ペア:

[(1, 18446568021), (3, 6148856007), (7, 2635224003), (9, 2049618669), (21, 878408001), (27, 683206223), (63, 292802667), (109, 169234569), (189, 97600889), (327, 56411523), (763, 24176367), (981, 18803841), (2289, 8058789), (2943, 6267947), (6867, 2686263), (20601, 895421)]