318888927

素因数分解:

$3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{16381}}^1$

素因数の和:16500

約数の個数: 32

約数和(自身を含む): 545192960

約数和(自身を除く): 226304033

約数列:

[1, 3, 7, 9, 21, 27, 63, 103, 189, 309, 721, 927, 2163, 2781, 6489, 16381, 19467, 49143, 114667, 147429, 344001, 442287, 1032003, 1687243, 3096009, 5061729, 11810701, 15185187, 35432103, 45555561, 106296309, 318888927]

約数ペア:

[(1, 318888927), (3, 106296309), (7, 45555561), (9, 35432103), (21, 15185187), (27, 11810701), (63, 5061729), (103, 3096009), (189, 1687243), (309, 1032003), (721, 442287), (927, 344001), (2163, 147429), (2781, 114667), (6489, 49143), (16381, 19467)]