890755047

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20521}}^1$

素因数の和:20600

約数の個数: 48

約数和(自身を含む): 1613521728

約数和(自身を除く): 722766681

約数列:

[1, 3, 7, 9, 13, 21, 39, 53, 63, 91, 117, 159, 273, 371, 477, 689, 819, 1113, 2067, 3339, 4823, 6201, 14469, 20521, 43407, 61563, 143647, 184689, 266773, 430941, 800319, 1087613, 1292823, 1867411, 2400957, 3262839, 5602233, 7613291, 9788517, 14138969, 16806699, 22839873, 42416907, 68519619, 98972783, 127250721, 296918349, 890755047]

約数ペア:

[(1, 890755047), (3, 296918349), (7, 127250721), (9, 98972783), (13, 68519619), (21, 42416907), (39, 22839873), (53, 16806699), (63, 14138969), (91, 9788517), (117, 7613291), (159, 5602233), (273, 3262839), (371, 2400957), (477, 1867411), (689, 1292823), (819, 1087613), (1113, 800319), (2067, 430941), (3339, 266773), (4823, 184689), (6201, 143647), (14469, 61563), (20521, 43407)]