71138925

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 157003840

約数和(自身を除く): 85864915

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 27, 33, 39, 45, 55, 65, 67, 75, 99, 117, 121, 135, 143, 165, 195, 201, 225, 275, 297, 325, 335, 351, 363, 429, 495, 585, 603, 605, 675, 715, 737, 825, 871, 975, 1005, 1089, 1287, 1485, 1573, 1675, 1755, 1809, 1815, 2145, 2211, 2475, 2613, 2925, 3015, 3025, 3267, 3575, 3685, 3861, 4355, 4719, 5025, 5445, 6435, 6633, 7425, 7839, 7865, 8107, 8775, 9045, 9075, 9581, 10725, 11055, 13065, 14157, 15075, 16335, 18425, 19305, 19899, 21775, 23517, 23595, 24321, 27225, 28743, 32175, 33165, 39195, 39325, 40535, 42471, 45225, 47905, 55275, 65325, 70785, 72963, 81675, 86229, 96525, 99495, 105391, 117585, 117975, 121605, 143715, 165825, 195975, 202675, 212355, 218889, 239525, 258687, 316173, 353925, 364815, 431145, 497475, 526955, 587925, 608025, 718575, 948519, 1061775, 1094445, 1293435, 1580865, 1824075, 2155725, 2634775, 2845557, 4742595, 5472225, 6467175, 7904325, 14227785, 23712975, 71138925]

約数ペア:

[(1, 71138925), (3, 23712975), (5, 14227785), (9, 7904325), (11, 6467175), (13, 5472225), (15, 4742595), (25, 2845557), (27, 2634775), (33, 2155725), (39, 1824075), (45, 1580865), (55, 1293435), (65, 1094445), (67, 1061775), (75, 948519), (99, 718575), (117, 608025), (121, 587925), (135, 526955), (143, 497475), (165, 431145), (195, 364815), (201, 353925), (225, 316173), (275, 258687), (297, 239525), (325, 218889), (335, 212355), (351, 202675), (363, 195975), (429, 165825), (495, 143715), (585, 121605), (603, 117975), (605, 117585), (675, 105391), (715, 99495), (737, 96525), (825, 86229), (871, 81675), (975, 72963), (1005, 70785), (1089, 65325), (1287, 55275), (1485, 47905), (1573, 45225), (1675, 42471), (1755, 40535), (1809, 39325), (1815, 39195), (2145, 33165), (2211, 32175), (2475, 28743), (2613, 27225), (2925, 24321), (3015, 23595), (3025, 23517), (3267, 21775), (3575, 19899), (3685, 19305), (3861, 18425), (4355, 16335), (4719, 15075), (5025, 14157), (5445, 13065), (6435, 11055), (6633, 10725), (7425, 9581), (7839, 9075), (7865, 9045), (8107, 8775)]