681006825

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^2\times {\mathrm{3491}}^1$

素因数の和:3544

約数の個数: 72

約数和(自身を含む): 1329334560

約数和(自身を除く): 648327735

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 289, 425, 459, 675, 765, 867, 1275, 1445, 2295, 2601, 3491, 3825, 4335, 7225, 7803, 10473, 11475, 13005, 17455, 21675, 31419, 39015, 52365, 59347, 65025, 87275, 94257, 157095, 178041, 195075, 261825, 296735, 471285, 534123, 785475, 890205, 1008899, 1483675, 1602369, 2356425, 2670615, 3026697, 4451025, 5044495, 8011845, 9080091, 13353075, 15133485, 25222475, 27240273, 40059225, 45400455, 75667425, 136201365, 227002275, 681006825]

約数ペア:

[(1, 681006825), (3, 227002275), (5, 136201365), (9, 75667425), (15, 45400455), (17, 40059225), (25, 27240273), (27, 25222475), (45, 15133485), (51, 13353075), (75, 9080091), (85, 8011845), (135, 5044495), (153, 4451025), (225, 3026697), (255, 2670615), (289, 2356425), (425, 1602369), (459, 1483675), (675, 1008899), (765, 890205), (867, 785475), (1275, 534123), (1445, 471285), (2295, 296735), (2601, 261825), (3491, 195075), (3825, 178041), (4335, 157095), (7225, 94257), (7803, 87275), (10473, 65025), (11475, 59347), (13005, 52365), (17455, 39015), (21675, 31419)]