81744075

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 183845376

約数和(自身を除く): 102101301

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 35, 43, 45, 51, 63, 71, 75, 85, 105, 119, 129, 153, 175, 213, 215, 225, 255, 301, 315, 355, 357, 387, 425, 497, 525, 595, 639, 645, 731, 765, 903, 1065, 1071, 1075, 1207, 1275, 1491, 1505, 1575, 1775, 1785, 1935, 2193, 2485, 2709, 2975, 3053, 3195, 3225, 3621, 3655, 3825, 4473, 4515, 5117, 5325, 5355, 6035, 6579, 7455, 7525, 8449, 8925, 9159, 9675, 10863, 10965, 12425, 13545, 15265, 15351, 15975, 18105, 18275, 21371, 22365, 22575, 25347, 25585, 26775, 27477, 30175, 32895, 37275, 42245, 45795, 46053, 51901, 54315, 54825, 64113, 67725, 76041, 76325, 76755, 90525, 106855, 111825, 126735, 127925, 137385, 155703, 164475, 192339, 211225, 228975, 230265, 259505, 271575, 320565, 363307, 380205, 383775, 467109, 534275, 633675, 686925, 778515, 961695, 1089921, 1151325, 1297525, 1602825, 1816535, 1901025, 2335545, 3269763, 3892575, 4808475, 5449605, 9082675, 11677725, 16348815, 27248025, 81744075]

約数ペア:

[(1, 81744075), (3, 27248025), (5, 16348815), (7, 11677725), (9, 9082675), (15, 5449605), (17, 4808475), (21, 3892575), (25, 3269763), (35, 2335545), (43, 1901025), (45, 1816535), (51, 1602825), (63, 1297525), (71, 1151325), (75, 1089921), (85, 961695), (105, 778515), (119, 686925), (129, 633675), (153, 534275), (175, 467109), (213, 383775), (215, 380205), (225, 363307), (255, 320565), (301, 271575), (315, 259505), (355, 230265), (357, 228975), (387, 211225), (425, 192339), (497, 164475), (525, 155703), (595, 137385), (639, 127925), (645, 126735), (731, 111825), (765, 106855), (903, 90525), (1065, 76755), (1071, 76325), (1075, 76041), (1207, 67725), (1275, 64113), (1491, 54825), (1505, 54315), (1575, 51901), (1775, 46053), (1785, 45795), (1935, 42245), (2193, 37275), (2485, 32895), (2709, 30175), (2975, 27477), (3053, 26775), (3195, 25585), (3225, 25347), (3621, 22575), (3655, 22365), (3825, 21371), (4473, 18275), (4515, 18105), (5117, 15975), (5325, 15351), (5355, 15265), (6035, 13545), (6579, 12425), (7455, 10965), (7525, 10863), (8449, 9675), (8925, 9159)]