78772257

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:435

約数の個数: 40

約数和(自身を含む): 122316480

約数和(自身を除く): 43544223

約数列:

[1, 3, 9, 27, 53, 59, 81, 159, 177, 311, 477, 531, 933, 1431, 1593, 2799, 3127, 4293, 4779, 8397, 9381, 16483, 18349, 25191, 28143, 49449, 55047, 84429, 148347, 165141, 253287, 445041, 495423, 972497, 1335123, 1486269, 2917491, 8752473, 26257419, 78772257]

約数ペア:

[(1, 78772257), (3, 26257419), (9, 8752473), (27, 2917491), (53, 1486269), (59, 1335123), (81, 972497), (159, 495423), (177, 445041), (311, 253287), (477, 165141), (531, 148347), (933, 84429), (1431, 55047), (1593, 49449), (2799, 28143), (3127, 25191), (4293, 18349), (4779, 16483), (8397, 9381)]