289691271

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{439}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 469497600

約数和(自身を除く): 179806329

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 227, 323, 439, 681, 969, 1317, 2043, 2907, 3859, 3951, 4313, 7463, 8341, 11577, 12939, 22389, 25023, 34731, 38817, 67167, 73321, 75069, 99653, 141797, 219963, 298959, 425391, 659889, 896877, 1276173, 1694101, 1893407, 5082303, 5680221, 15246909, 17040663, 32187919, 96563757, 289691271]

約数ペア:

[(1, 289691271), (3, 96563757), (9, 32187919), (17, 17040663), (19, 15246909), (51, 5680221), (57, 5082303), (153, 1893407), (171, 1694101), (227, 1276173), (323, 896877), (439, 659889), (681, 425391), (969, 298959), (1317, 219963), (2043, 141797), (2907, 99653), (3859, 75069), (3951, 73321), (4313, 67167), (7463, 38817), (8341, 34731), (11577, 25023), (12939, 22389)]