78743745

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11437}}^1$

素因数の和:11471

約数の個数: 40

約数和(自身を含む): 149471784

約数和(自身を除く): 70728039

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 11437, 34311, 57185, 102933, 171555, 194429, 308799, 514665, 583287, 926397, 972145, 1543995, 1749861, 2916435, 4631985, 5249583, 8749305, 15748749, 26247915, 78743745]

約数ペア:

[(1, 78743745), (3, 26247915), (5, 15748749), (9, 8749305), (15, 5249583), (17, 4631985), (27, 2916435), (45, 1749861), (51, 1543995), (81, 972145), (85, 926397), (135, 583287), (153, 514665), (255, 308799), (405, 194429), (459, 171555), (765, 102933), (1377, 57185), (2295, 34311), (6885, 11437)]