218610561

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 350945280

約数和(自身を除く): 132334719

約数列:

[1, 3, 13, 19, 23, 39, 57, 69, 101, 127, 247, 299, 303, 381, 437, 741, 897, 1311, 1313, 1651, 1919, 2323, 2413, 2921, 3939, 4953, 5681, 5757, 6969, 7239, 8763, 12827, 17043, 24947, 30199, 31369, 37973, 38481, 44137, 55499, 74841, 90597, 94107, 113919, 132411, 166497, 166751, 243713, 295021, 500253, 573781, 721487, 731139, 885063, 1721343, 2164461, 3168269, 3835273, 5605399, 9504807, 11505819, 16816197, 72870187, 218610561]

約数ペア:

[(1, 218610561), (3, 72870187), (13, 16816197), (19, 11505819), (23, 9504807), (39, 5605399), (57, 3835273), (69, 3168269), (101, 2164461), (127, 1721343), (247, 885063), (299, 731139), (303, 721487), (381, 573781), (437, 500253), (741, 295021), (897, 243713), (1311, 166751), (1313, 166497), (1651, 132411), (1919, 113919), (2323, 94107), (2413, 90597), (2921, 74841), (3939, 55499), (4953, 44137), (5681, 38481), (5757, 37973), (6969, 31369), (7239, 30199), (8763, 24947), (12827, 17043)]