201640995

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29287}}^1$

素因数の和:29321

約数の個数: 40

約数和(自身を含む): 382735584

約数和(自身を除く): 181094589

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 29287, 87861, 146435, 263583, 439305, 497879, 790749, 1317915, 1493637, 2372247, 2489395, 3953745, 4480911, 7468185, 11861235, 13442733, 22404555, 40328199, 67213665, 201640995]

約数ペア:

[(1, 201640995), (3, 67213665), (5, 40328199), (9, 22404555), (15, 13442733), (17, 11861235), (27, 7468185), (45, 4480911), (51, 3953745), (81, 2489395), (85, 2372247), (135, 1493637), (153, 1317915), (255, 790749), (405, 497879), (459, 439305), (765, 263583), (1377, 146435), (2295, 87861), (6885, 29287)]