71197785

素因数分解:

$3^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 136028160

約数和(自身を除く): 64830375

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 383, 405, 459, 729, 765, 1149, 1215, 1377, 1915, 2187, 2295, 3447, 3645, 4131, 5745, 6511, 6885, 10341, 10935, 12393, 17235, 19533, 20655, 31023, 32555, 37179, 51705, 58599, 61965, 93069, 97665, 155115, 175797, 185895, 279207, 292995, 465345, 527391, 837621, 878985, 1396035, 1582173, 2636955, 4188105, 4746519, 7910865, 14239557, 23732595, 71197785]

約数ペア:

[(1, 71197785), (3, 23732595), (5, 14239557), (9, 7910865), (15, 4746519), (17, 4188105), (27, 2636955), (45, 1582173), (51, 1396035), (81, 878985), (85, 837621), (135, 527391), (153, 465345), (243, 292995), (255, 279207), (383, 185895), (405, 175797), (459, 155115), (729, 97665), (765, 93069), (1149, 61965), (1215, 58599), (1377, 51705), (1915, 37179), (2187, 32555), (2295, 31023), (3447, 20655), (3645, 19533), (4131, 17235), (5745, 12393), (6511, 10935), (6885, 10341)]