287471877

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1279}}^1$

素因数の和:1446

約数の個数: 48

約数和(自身を含む): 490291200

約数和(自身を除く): 202819323

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 139, 147, 231, 417, 539, 973, 1279, 1529, 1617, 2919, 3837, 4587, 6811, 8953, 10703, 14069, 20433, 26859, 32109, 42207, 62671, 74921, 98483, 177781, 188013, 224763, 295449, 533343, 689381, 1244467, 1955591, 2068143, 3733401, 5866773, 8711269, 13689137, 26133807, 41067411, 95823959, 287471877]

約数ペア:

[(1, 287471877), (3, 95823959), (7, 41067411), (11, 26133807), (21, 13689137), (33, 8711269), (49, 5866773), (77, 3733401), (139, 2068143), (147, 1955591), (231, 1244467), (417, 689381), (539, 533343), (973, 295449), (1279, 224763), (1529, 188013), (1617, 177781), (2919, 98483), (3837, 74921), (4587, 62671), (6811, 42207), (8953, 32109), (10703, 26859), (14069, 20433)]