201731859

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{1013}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 348004800

約数和(自身を除く): 146272941

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 109, 203, 261, 327, 609, 763, 981, 1013, 1827, 2289, 3039, 3161, 6867, 7091, 9117, 9483, 21273, 22127, 28449, 29377, 63819, 66381, 88131, 110417, 199143, 205639, 264393, 331251, 616917, 772919, 993753, 1850751, 2318757, 3202093, 6956271, 9606279, 22414651, 28818837, 67243953, 201731859]

約数ペア:

[(1, 201731859), (3, 67243953), (7, 28818837), (9, 22414651), (21, 9606279), (29, 6956271), (63, 3202093), (87, 2318757), (109, 1850751), (203, 993753), (261, 772919), (327, 616917), (609, 331251), (763, 264393), (981, 205639), (1013, 199143), (1827, 110417), (2289, 88131), (3039, 66381), (3161, 63819), (6867, 29377), (7091, 28449), (9117, 22127), (9483, 21273)]