25440075

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{739}}^1$

素因数の和:778

約数の個数: 60

約数和(自身を含む): 49963320

約数和(自身を除く): 24523245

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 225, 255, 405, 425, 459, 675, 739, 765, 1275, 1377, 2025, 2217, 2295, 3695, 3825, 6651, 6885, 11085, 11475, 12563, 18475, 19953, 33255, 34425, 37689, 55425, 59859, 62815, 99765, 113067, 166275, 188445, 299295, 314075, 339201, 498825, 565335, 942225, 1017603, 1496475, 1696005, 2826675, 5088015, 8480025, 25440075]

約数ペア:

[(1, 25440075), (3, 8480025), (5, 5088015), (9, 2826675), (15, 1696005), (17, 1496475), (25, 1017603), (27, 942225), (45, 565335), (51, 498825), (75, 339201), (81, 314075), (85, 299295), (135, 188445), (153, 166275), (225, 113067), (255, 99765), (405, 62815), (425, 59859), (459, 55425), (675, 37689), (739, 34425), (765, 33255), (1275, 19953), (1377, 18475), (2025, 12563), (2217, 11475), (2295, 11085), (3695, 6885), (3825, 6651)]