213951969

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{102911}}^1$

素因数の和:102938

約数の個数: 32

約数和(自身を含む): 395182080

約数和(自身を除く): 181230111

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 102911, 308733, 720377, 926199, 1132021, 2161131, 2778597, 3396063, 6483393, 7924147, 10188189, 19450179, 23772441, 30564567, 71317323, 213951969]

約数ペア:

[(1, 213951969), (3, 71317323), (7, 30564567), (9, 23772441), (11, 19450179), (21, 10188189), (27, 7924147), (33, 6483393), (63, 3396063), (77, 2778597), (99, 2161131), (189, 1132021), (231, 926199), (297, 720377), (693, 308733), (2079, 102911)]