1291983

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:92

約数の個数: 48

約数和(自身を含む): 2363904

約数和(自身を除く): 1071921

約数列:

[1, 3, 7, 11, 17, 21, 33, 47, 49, 51, 77, 119, 141, 147, 187, 231, 329, 357, 517, 539, 561, 799, 833, 987, 1309, 1551, 1617, 2303, 2397, 2499, 3619, 3927, 5593, 6909, 8789, 9163, 10857, 16779, 25333, 26367, 27489, 39151, 61523, 75999, 117453, 184569, 430661, 1291983]

約数ペア:

[(1, 1291983), (3, 430661), (7, 184569), (11, 117453), (17, 75999), (21, 61523), (33, 39151), (47, 27489), (49, 26367), (51, 25333), (77, 16779), (119, 10857), (141, 9163), (147, 8789), (187, 6909), (231, 5593), (329, 3927), (357, 3619), (517, 2499), (539, 2397), (561, 2303), (799, 1617), (833, 1551), (987, 1309)]