1297029375

素因数分解:

$3^3\times 5^4\times {\mathrm{101}}^1\times {\mathrm{761}}^1$

素因数の和:891

約数の個数: 80

約数和(自身を含む): 2428097760

約数和(自身を除く): 1131068385

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 101, 125, 135, 225, 303, 375, 505, 625, 675, 761, 909, 1125, 1515, 1875, 2283, 2525, 2727, 3375, 3805, 4545, 5625, 6849, 7575, 11415, 12625, 13635, 16875, 19025, 20547, 22725, 34245, 37875, 57075, 63125, 68175, 76861, 95125, 102735, 113625, 171225, 189375, 230583, 285375, 340875, 384305, 475625, 513675, 568125, 691749, 856125, 1152915, 1426875, 1704375, 1921525, 2075247, 2568375, 3458745, 4280625, 5764575, 9607625, 10376235, 12841875, 17293725, 28822875, 48038125, 51881175, 86468625, 144114375, 259405875, 432343125, 1297029375]

約数ペア:

[(1, 1297029375), (3, 432343125), (5, 259405875), (9, 144114375), (15, 86468625), (25, 51881175), (27, 48038125), (45, 28822875), (75, 17293725), (101, 12841875), (125, 10376235), (135, 9607625), (225, 5764575), (303, 4280625), (375, 3458745), (505, 2568375), (625, 2075247), (675, 1921525), (761, 1704375), (909, 1426875), (1125, 1152915), (1515, 856125), (1875, 691749), (2283, 568125), (2525, 513675), (2727, 475625), (3375, 384305), (3805, 340875), (4545, 285375), (5625, 230583), (6849, 189375), (7575, 171225), (11415, 113625), (12625, 102735), (13635, 95125), (16875, 76861), (19025, 68175), (20547, 63125), (22725, 57075), (34245, 37875)]