51507666

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{971}}^1$

素因数の和:1407

約数の個数: 48

約数和(自身を含む): 127977408

約数和(自身を除く): 76469742

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 421, 842, 971, 1263, 1942, 2526, 2913, 2947, 3789, 5826, 5894, 6797, 7578, 8739, 8841, 13594, 17478, 17682, 20391, 26523, 40782, 53046, 61173, 122346, 408791, 817582, 1226373, 2452746, 2861537, 3679119, 5723074, 7358238, 8584611, 17169222, 25753833, 51507666]

約数ペア:

[(1, 51507666), (2, 25753833), (3, 17169222), (6, 8584611), (7, 7358238), (9, 5723074), (14, 3679119), (18, 2861537), (21, 2452746), (42, 1226373), (63, 817582), (126, 408791), (421, 122346), (842, 61173), (971, 53046), (1263, 40782), (1942, 26523), (2526, 20391), (2913, 17682), (2947, 17478), (3789, 13594), (5826, 8841), (5894, 8739), (6797, 7578)]