11781957

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 19312128

約数和(自身を除く): 7530171

約数列:

[1, 3, 11, 19, 23, 33, 43, 57, 69, 129, 209, 253, 361, 437, 473, 627, 759, 817, 989, 1083, 1311, 1419, 2451, 2967, 3971, 4807, 8303, 8987, 10879, 11913, 14421, 15523, 18791, 24909, 26961, 32637, 46569, 56373, 91333, 170753, 206701, 273999, 357029, 512259, 620103, 1071087, 3927319, 11781957]

約数ペア:

[(1, 11781957), (3, 3927319), (11, 1071087), (19, 620103), (23, 512259), (33, 357029), (43, 273999), (57, 206701), (69, 170753), (129, 91333), (209, 56373), (253, 46569), (361, 32637), (437, 26961), (473, 24909), (627, 18791), (759, 15523), (817, 14421), (989, 11913), (1083, 10879), (1311, 8987), (1419, 8303), (2451, 4807), (2967, 3971)]