25399143

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 49459200

約数和(自身を除く): 24060057

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 57, 63, 77, 99, 133, 171, 189, 209, 231, 297, 399, 513, 627, 643, 693, 1197, 1463, 1881, 1929, 2079, 3591, 4389, 4501, 5643, 5787, 7073, 12217, 13167, 13503, 17361, 21219, 36651, 39501, 40509, 49511, 63657, 85519, 109953, 121527, 134387, 148533, 190971, 256557, 329859, 403161, 445599, 769671, 940709, 1209483, 1336797, 2309013, 2822127, 3628449, 8466381, 25399143]

約数ペア:

[(1, 25399143), (3, 8466381), (7, 3628449), (9, 2822127), (11, 2309013), (19, 1336797), (21, 1209483), (27, 940709), (33, 769671), (57, 445599), (63, 403161), (77, 329859), (99, 256557), (133, 190971), (171, 148533), (189, 134387), (209, 121527), (231, 109953), (297, 85519), (399, 63657), (513, 49511), (627, 40509), (643, 39501), (693, 36651), (1197, 21219), (1463, 17361), (1881, 13503), (1929, 13167), (2079, 12217), (3591, 7073), (4389, 5787), (4501, 5643)]