205940805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1021}}^1$

素因数の和:1166

約数の個数: 64

約数和(自身を含む): 402651648

約数和(自身を除く): 196710843

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 113, 119, 255, 339, 357, 565, 595, 791, 1021, 1695, 1785, 1921, 2373, 3063, 3955, 5105, 5763, 7147, 9605, 11865, 13447, 15315, 17357, 21441, 28815, 35735, 40341, 52071, 67235, 86785, 107205, 115373, 121499, 201705, 260355, 346119, 364497, 576865, 607495, 807611, 1730595, 1822485, 1961341, 2422833, 4038055, 5884023, 9806705, 12114165, 13729387, 29420115, 41188161, 68646935, 205940805]

約数ペア:

[(1, 205940805), (3, 68646935), (5, 41188161), (7, 29420115), (15, 13729387), (17, 12114165), (21, 9806705), (35, 5884023), (51, 4038055), (85, 2422833), (105, 1961341), (113, 1822485), (119, 1730595), (255, 807611), (339, 607495), (357, 576865), (565, 364497), (595, 346119), (791, 260355), (1021, 201705), (1695, 121499), (1785, 115373), (1921, 107205), (2373, 86785), (3063, 67235), (3955, 52071), (5105, 40341), (5763, 35735), (7147, 28815), (9605, 21441), (11865, 17357), (13447, 15315)]