668499075

素因数分解:

$3^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{6473}}^1$

素因数の和:6515

約数の個数: 72

約数和(自身を含む): 1314947088

約数和(自身を除く): 646448013

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 225, 243, 255, 405, 425, 459, 675, 765, 1215, 1275, 1377, 2025, 2295, 3825, 4131, 6075, 6473, 6885, 11475, 19419, 20655, 32365, 34425, 58257, 97095, 103275, 110041, 161825, 174771, 291285, 330123, 485475, 524313, 550205, 873855, 990369, 1456425, 1572939, 1650615, 2621565, 2751025, 2971107, 4369275, 4951845, 7864695, 8253075, 8913321, 13107825, 14855535, 24759225, 26739963, 39323475, 44566605, 74277675, 133699815, 222833025, 668499075]

約数ペア:

[(1, 668499075), (3, 222833025), (5, 133699815), (9, 74277675), (15, 44566605), (17, 39323475), (25, 26739963), (27, 24759225), (45, 14855535), (51, 13107825), (75, 8913321), (81, 8253075), (85, 7864695), (135, 4951845), (153, 4369275), (225, 2971107), (243, 2751025), (255, 2621565), (405, 1650615), (425, 1572939), (459, 1456425), (675, 990369), (765, 873855), (1215, 550205), (1275, 524313), (1377, 485475), (2025, 330123), (2295, 291285), (3825, 174771), (4131, 161825), (6075, 110041), (6473, 103275), (6885, 97095), (11475, 58257), (19419, 34425), (20655, 32365)]