1279685655

素因数分解:

$3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{739}}^1$

素因数の和:981

約数の個数: 64

約数和(自身を含む): 2318745600

約数和(自身を除く): 1039059945

約数列:

[1, 3, 5, 9, 15, 27, 45, 101, 127, 135, 303, 381, 505, 635, 739, 909, 1143, 1515, 1905, 2217, 2727, 3429, 3695, 4545, 5715, 6651, 11085, 12827, 13635, 17145, 19953, 33255, 38481, 64135, 74639, 93853, 99765, 115443, 192405, 223917, 281559, 346329, 373195, 469265, 577215, 671751, 844677, 1119585, 1407795, 1731645, 2015253, 2534031, 3358755, 4223385, 9479153, 10076265, 12670155, 28437459, 47395765, 85312377, 142187295, 255937131, 426561885, 1279685655]

約数ペア:

[(1, 1279685655), (3, 426561885), (5, 255937131), (9, 142187295), (15, 85312377), (27, 47395765), (45, 28437459), (101, 12670155), (127, 10076265), (135, 9479153), (303, 4223385), (381, 3358755), (505, 2534031), (635, 2015253), (739, 1731645), (909, 1407795), (1143, 1119585), (1515, 844677), (1905, 671751), (2217, 577215), (2727, 469265), (3429, 373195), (3695, 346329), (4545, 281559), (5715, 223917), (6651, 192405), (11085, 115443), (12827, 99765), (13635, 93853), (17145, 74639), (19953, 64135), (33255, 38481)]