208021131

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 325368576

約数和(自身を除く): 117347445

約数列:

[1, 3, 9, 23, 53, 67, 69, 159, 201, 207, 283, 477, 603, 849, 1219, 1541, 2547, 3551, 3657, 4623, 6509, 10653, 10971, 13869, 14999, 18961, 19527, 31959, 44997, 56883, 58581, 81673, 134991, 170649, 245019, 344977, 436103, 735057, 1004933, 1034931, 1308309, 3014799, 3104793, 3924927, 9044397, 23113459, 69340377, 208021131]

約数ペア:

[(1, 208021131), (3, 69340377), (9, 23113459), (23, 9044397), (53, 3924927), (67, 3104793), (69, 3014799), (159, 1308309), (201, 1034931), (207, 1004933), (283, 735057), (477, 436103), (603, 344977), (849, 245019), (1219, 170649), (1541, 134991), (2547, 81673), (3551, 58581), (3657, 56883), (4623, 44997), (6509, 31959), (10653, 19527), (10971, 18961), (13869, 14999)]