2017639125

素因数分解:

$3^4\times 5^3\times {\mathrm{101}}^1\times {\mathrm{1973}}^1$

素因数の和:2101

約数の個数: 80

約数和(自身を含む): 3800644848

約数和(自身を除く): 1783005723

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 101, 125, 135, 225, 303, 375, 405, 505, 675, 909, 1125, 1515, 1973, 2025, 2525, 2727, 3375, 4545, 5919, 7575, 8181, 9865, 10125, 12625, 13635, 17757, 22725, 29595, 37875, 40905, 49325, 53271, 68175, 88785, 113625, 147975, 159813, 199273, 204525, 246625, 266355, 340875, 443925, 597819, 739875, 799065, 996365, 1022625, 1331775, 1793457, 2219625, 2989095, 3995325, 4981825, 5380371, 6658875, 8967285, 14945475, 16141113, 19976625, 24909125, 26901855, 44836425, 74727375, 80705565, 134509275, 224182125, 403527825, 672546375, 2017639125]

約数ペア:

[(1, 2017639125), (3, 672546375), (5, 403527825), (9, 224182125), (15, 134509275), (25, 80705565), (27, 74727375), (45, 44836425), (75, 26901855), (81, 24909125), (101, 19976625), (125, 16141113), (135, 14945475), (225, 8967285), (303, 6658875), (375, 5380371), (405, 4981825), (505, 3995325), (675, 2989095), (909, 2219625), (1125, 1793457), (1515, 1331775), (1973, 1022625), (2025, 996365), (2525, 799065), (2727, 739875), (3375, 597819), (4545, 443925), (5919, 340875), (7575, 266355), (8181, 246625), (9865, 204525), (10125, 199273), (12625, 159813), (13635, 147975), (17757, 113625), (22725, 88785), (29595, 68175), (37875, 53271), (40905, 49325)]