16700985

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 35266176

約数和(自身を除く): 18565191

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 63, 81, 105, 129, 135, 137, 189, 215, 301, 315, 387, 405, 411, 567, 645, 685, 903, 945, 959, 1161, 1233, 1505, 1935, 2055, 2709, 2835, 2877, 3483, 3699, 4515, 4795, 5805, 5891, 6165, 8127, 8631, 11097, 13545, 14385, 17415, 17673, 18495, 24381, 25893, 29455, 40635, 41237, 43155, 53019, 55485, 77679, 88365, 121905, 123711, 129465, 159057, 206185, 265095, 371133, 388395, 477171, 618555, 795285, 1113399, 1855665, 2385855, 3340197, 5566995, 16700985]

約数ペア:

[(1, 16700985), (3, 5566995), (5, 3340197), (7, 2385855), (9, 1855665), (15, 1113399), (21, 795285), (27, 618555), (35, 477171), (43, 388395), (45, 371133), (63, 265095), (81, 206185), (105, 159057), (129, 129465), (135, 123711), (137, 121905), (189, 88365), (215, 77679), (301, 55485), (315, 53019), (387, 43155), (405, 41237), (411, 40635), (567, 29455), (645, 25893), (685, 24381), (903, 18495), (945, 17673), (959, 17415), (1161, 14385), (1233, 13545), (1505, 11097), (1935, 8631), (2055, 8127), (2709, 6165), (2835, 5891), (2877, 5805), (3483, 4795), (3699, 4515)]