2017888929

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{75721}}^1$

素因数の和:75787

約数の個数: 40

約数和(自身を含む): 3518347008

約数和(自身を除く): 1500458079

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 423, 567, 987, 1269, 2961, 3807, 8883, 26649, 75721, 227163, 530047, 681489, 1590141, 2044467, 3558887, 4770423, 6133401, 10676661, 14311269, 24912209, 32029983, 42933807, 74736627, 96089949, 224209881, 288269847, 672629643, 2017888929]

約数ペア:

[(1, 2017888929), (3, 672629643), (7, 288269847), (9, 224209881), (21, 96089949), (27, 74736627), (47, 42933807), (63, 32029983), (81, 24912209), (141, 14311269), (189, 10676661), (329, 6133401), (423, 4770423), (567, 3558887), (987, 2044467), (1269, 1590141), (2961, 681489), (3807, 530047), (8883, 227163), (26649, 75721)]