7209090721

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{823}}^1\times {\mathrm{1327}}^1$

素因数の和:2221

約数の個数: 32

約数和(自身を含む): 8824209408

約数和(自身を除く): 1615118687

約数列:

[1, 7, 23, 41, 161, 287, 823, 943, 1327, 5761, 6601, 9289, 18929, 30521, 33743, 54407, 132503, 213647, 236201, 380849, 776089, 1092121, 1251361, 5432623, 7644847, 8759527, 25118783, 44776961, 175831481, 313438727, 1029870103, 7209090721]

約数ペア:

[(1, 7209090721), (7, 1029870103), (23, 313438727), (41, 175831481), (161, 44776961), (287, 25118783), (823, 8759527), (943, 7644847), (1327, 5432623), (5761, 1251361), (6601, 1092121), (9289, 776089), (18929, 380849), (30521, 236201), (33743, 213647), (54407, 132503)]