275291289

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7817}}^1$

素因数の和:7886

約数の個数: 48

約数和(自身を含む): 500852352

約数和(自身を除く): 225561063

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 63, 91, 117, 129, 273, 301, 387, 559, 819, 903, 1677, 2709, 3913, 5031, 7817, 11739, 23451, 35217, 54719, 70353, 101621, 164157, 304863, 336131, 492471, 711347, 914589, 1008393, 2134041, 2352917, 3025179, 4369703, 6402123, 7058751, 13109109, 21176253, 30587921, 39327327, 91763763, 275291289]

約数ペア:

[(1, 275291289), (3, 91763763), (7, 39327327), (9, 30587921), (13, 21176253), (21, 13109109), (39, 7058751), (43, 6402123), (63, 4369703), (91, 3025179), (117, 2352917), (129, 2134041), (273, 1008393), (301, 914589), (387, 711347), (559, 492471), (819, 336131), (903, 304863), (1677, 164157), (2709, 101621), (3913, 70353), (5031, 54719), (7817, 35217), (11739, 23451)]