13289493

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1753}}^1$

素因数の和:1801

約数の個数: 24

約数和(自身を含む): 21384768

約数和(自身を除く): 8095275

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 1753, 2527, 5259, 7581, 12271, 33307, 36813, 99921, 233149, 632833, 699447, 1898499, 4429831, 13289493]

約数ペア:

[(1, 13289493), (3, 4429831), (7, 1898499), (19, 699447), (21, 632833), (57, 233149), (133, 99921), (361, 36813), (399, 33307), (1083, 12271), (1753, 7581), (2527, 5259)]