66981681

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8297}}^1$

素因数の和:8342

約数の個数: 32

約数和(自身を含む): 111525120

約数和(自身を除く): 44543439

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2691, 8073, 8297, 24891, 74673, 107861, 190831, 224019, 323583, 572493, 970749, 1717479, 2480803, 2912247, 5152437, 7442409, 22327227, 66981681]

約数ペア:

[(1, 66981681), (3, 22327227), (9, 7442409), (13, 5152437), (23, 2912247), (27, 2480803), (39, 1717479), (69, 970749), (117, 572493), (207, 323583), (299, 224019), (351, 190831), (621, 107861), (897, 74673), (2691, 24891), (8073, 8297)]