139675995

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20287}}^1$

素因数の和:20321

約数の個数: 40

約数和(自身を含む): 265123584

約数和(自身を除く): 125447589

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 20287, 60861, 101435, 182583, 304305, 344879, 547749, 912915, 1034637, 1643247, 1724395, 2738745, 3103911, 5173185, 8216235, 9311733, 15519555, 27935199, 46558665, 139675995]

約数ペア:

[(1, 139675995), (3, 46558665), (5, 27935199), (9, 15519555), (15, 9311733), (17, 8216235), (27, 5173185), (45, 3103911), (51, 2738745), (81, 1724395), (85, 1643247), (135, 1034637), (153, 912915), (255, 547749), (405, 344879), (459, 304305), (765, 182583), (1377, 101435), (2295, 60861), (6885, 20287)]