26138721

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 41361408

約数和(自身を除く): 15222687

約数列:

[1, 3, 7, 21, 47, 71, 141, 213, 329, 373, 497, 987, 1119, 1491, 2611, 3337, 7833, 10011, 17531, 23359, 26483, 52593, 70077, 79449, 122717, 185381, 368151, 556143, 1244701, 3734103, 8712907, 26138721]

約数ペア:

[(1, 26138721), (3, 8712907), (7, 3734103), (21, 1244701), (47, 556143), (71, 368151), (141, 185381), (213, 122717), (329, 79449), (373, 70077), (497, 52593), (987, 26483), (1119, 23359), (1491, 17531), (2611, 10011), (3337, 7833)]