68498865

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9949}}^1$

素因数の和:9983

約数の個数: 40

約数和(自身を含む): 130026600

約数和(自身を除く): 61527735

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 9949, 29847, 49745, 89541, 149235, 169133, 268623, 447705, 507399, 805869, 845665, 1343115, 1522197, 2536995, 4029345, 4566591, 7610985, 13699773, 22832955, 68498865]

約数ペア:

[(1, 68498865), (3, 22832955), (5, 13699773), (9, 7610985), (15, 4566591), (17, 4029345), (27, 2536995), (45, 1522197), (51, 1343115), (81, 845665), (85, 805869), (135, 507399), (153, 447705), (255, 268623), (405, 169133), (459, 149235), (765, 89541), (1377, 49745), (2295, 29847), (6885, 9949)]