51671925

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 120

約数和(自身を含む): 108028800

約数和(自身を除く): 56356875

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 27, 45, 51, 57, 75, 79, 81, 85, 95, 135, 153, 171, 225, 237, 255, 285, 323, 395, 405, 425, 459, 475, 513, 675, 711, 765, 855, 969, 1185, 1275, 1343, 1377, 1425, 1501, 1539, 1615, 1975, 2025, 2133, 2295, 2565, 2907, 3555, 3825, 4029, 4275, 4503, 4845, 5925, 6399, 6715, 6885, 7505, 7695, 8075, 8721, 10665, 11475, 12087, 12825, 13509, 14535, 17775, 20145, 22515, 24225, 25517, 26163, 31995, 33575, 34425, 36261, 37525, 38475, 40527, 43605, 53325, 60435, 67545, 72675, 76551, 100725, 108783, 112575, 121581, 127585, 130815, 159975, 181305, 202635, 218025, 229653, 302175, 337725, 382755, 543915, 607905, 637925, 654075, 688959, 906525, 1013175, 1148265, 1913775, 2066877, 2719575, 3039525, 3444795, 5741325, 10334385, 17223975, 51671925]

約数ペア:

[(1, 51671925), (3, 17223975), (5, 10334385), (9, 5741325), (15, 3444795), (17, 3039525), (19, 2719575), (25, 2066877), (27, 1913775), (45, 1148265), (51, 1013175), (57, 906525), (75, 688959), (79, 654075), (81, 637925), (85, 607905), (95, 543915), (135, 382755), (153, 337725), (171, 302175), (225, 229653), (237, 218025), (255, 202635), (285, 181305), (323, 159975), (395, 130815), (405, 127585), (425, 121581), (459, 112575), (475, 108783), (513, 100725), (675, 76551), (711, 72675), (765, 67545), (855, 60435), (969, 53325), (1185, 43605), (1275, 40527), (1343, 38475), (1377, 37525), (1425, 36261), (1501, 34425), (1539, 33575), (1615, 31995), (1975, 26163), (2025, 25517), (2133, 24225), (2295, 22515), (2565, 20145), (2907, 17775), (3555, 14535), (3825, 13509), (4029, 12825), (4275, 12087), (4503, 11475), (4845, 10665), (5925, 8721), (6399, 8075), (6715, 7695), (6885, 7505)]