56907279

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3$

素因数の和:87

約数の個数: 80

約数和(自身を含む): 106112160

約数和(自身を除く): 49204881

約数列:

[1, 3, 9, 11, 13, 17, 27, 33, 39, 51, 81, 99, 117, 143, 153, 187, 221, 289, 297, 351, 429, 459, 561, 663, 867, 891, 1053, 1287, 1377, 1683, 1989, 2431, 2601, 3179, 3757, 3861, 4913, 5049, 5967, 7293, 7803, 9537, 11271, 11583, 14739, 15147, 17901, 21879, 23409, 28611, 33813, 41327, 44217, 54043, 63869, 65637, 85833, 101439, 123981, 132651, 162129, 191607, 196911, 257499, 304317, 371943, 397953, 486387, 574821, 702559, 1115829, 1459161, 1724463, 2107677, 3347487, 4377483, 5173389, 6323031, 18969093, 56907279]

約数ペア:

[(1, 56907279), (3, 18969093), (9, 6323031), (11, 5173389), (13, 4377483), (17, 3347487), (27, 2107677), (33, 1724463), (39, 1459161), (51, 1115829), (81, 702559), (99, 574821), (117, 486387), (143, 397953), (153, 371943), (187, 304317), (221, 257499), (289, 196911), (297, 191607), (351, 162129), (429, 132651), (459, 123981), (561, 101439), (663, 85833), (867, 65637), (891, 63869), (1053, 54043), (1287, 44217), (1377, 41327), (1683, 33813), (1989, 28611), (2431, 23409), (2601, 21879), (3179, 17901), (3757, 15147), (3861, 14739), (4913, 11583), (5049, 11271), (5967, 9537), (7293, 7803)]