129999519

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{16103}}^1$

素因数の和:16148

約数の個数: 32

約数和(自身を含む): 216437760

約数和(自身を除く): 86438241

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2691, 8073, 16103, 48309, 144927, 209339, 370369, 434781, 628017, 1111107, 1884051, 3333321, 4814797, 5652153, 9999963, 14444391, 43333173, 129999519]

約数ペア:

[(1, 129999519), (3, 43333173), (9, 14444391), (13, 9999963), (23, 5652153), (27, 4814797), (39, 3333321), (69, 1884051), (117, 1111107), (207, 628017), (299, 434781), (351, 370369), (621, 209339), (897, 144927), (2691, 48309), (8073, 16103)]