207971283

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 329011200

約数和(自身を除く): 121039917

約数列:

[1, 3, 13, 19, 39, 57, 59, 67, 71, 177, 201, 213, 247, 741, 767, 871, 923, 1121, 1273, 1349, 2301, 2613, 2769, 3363, 3819, 3953, 4047, 4189, 4757, 11859, 12567, 14271, 14573, 16549, 17537, 43719, 49647, 51389, 52611, 54457, 61841, 75107, 79591, 90383, 154167, 163371, 185523, 225321, 238773, 271149, 280663, 841989, 976391, 1034683, 1174979, 2929173, 3104049, 3524937, 3648619, 5332597, 10945857, 15997791, 69323761, 207971283]

約数ペア:

[(1, 207971283), (3, 69323761), (13, 15997791), (19, 10945857), (39, 5332597), (57, 3648619), (59, 3524937), (67, 3104049), (71, 2929173), (177, 1174979), (201, 1034683), (213, 976391), (247, 841989), (741, 280663), (767, 271149), (871, 238773), (923, 225321), (1121, 185523), (1273, 163371), (1349, 154167), (2301, 90383), (2613, 79591), (2769, 75107), (3363, 61841), (3819, 54457), (3953, 52611), (4047, 51389), (4189, 49647), (4757, 43719), (11859, 17537), (12567, 16549), (14271, 14573)]