2019920895

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{677}}^1$

素因数の和:886

約数の個数: 80

約数和(自身を含む): 3721243680

約数和(自身を除く): 1701322785

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 139, 159, 265, 405, 417, 477, 677, 695, 795, 1251, 1431, 2031, 2085, 2385, 3385, 3753, 4293, 6093, 6255, 7155, 7367, 10155, 11259, 18279, 18765, 21465, 22101, 30465, 35881, 36835, 54837, 56295, 66303, 91395, 94103, 107643, 110505, 179405, 198909, 274185, 282309, 322929, 331515, 470515, 538215, 596727, 846927, 968787, 994545, 1411545, 1614645, 2540781, 2906361, 2983635, 4234635, 4843935, 4987459, 7622343, 12703905, 14531805, 14962377, 24937295, 38111715, 44887131, 74811885, 134661393, 224435655, 403984179, 673306965, 2019920895]

約数ペア:

[(1, 2019920895), (3, 673306965), (5, 403984179), (9, 224435655), (15, 134661393), (27, 74811885), (45, 44887131), (53, 38111715), (81, 24937295), (135, 14962377), (139, 14531805), (159, 12703905), (265, 7622343), (405, 4987459), (417, 4843935), (477, 4234635), (677, 2983635), (695, 2906361), (795, 2540781), (1251, 1614645), (1431, 1411545), (2031, 994545), (2085, 968787), (2385, 846927), (3385, 596727), (3753, 538215), (4293, 470515), (6093, 331515), (6255, 322929), (7155, 282309), (7367, 274185), (10155, 198909), (11259, 179405), (18279, 110505), (18765, 107643), (21465, 94103), (22101, 91395), (30465, 66303), (35881, 56295), (36835, 54837)]