66212769

素因数分解:

$3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{3023}}^1$

素因数の和:3189

約数の個数: 24

約数和(自身を含む): 103420800

約数和(自身を除く): 37208031

約数列:

[1, 3, 7, 21, 49, 147, 149, 447, 1043, 3023, 3129, 7301, 9069, 21161, 21903, 63483, 148127, 444381, 450427, 1351281, 3152989, 9458967, 22070923, 66212769]

約数ペア:

[(1, 66212769), (3, 22070923), (7, 9458967), (21, 3152989), (49, 1351281), (147, 450427), (149, 444381), (447, 148127), (1043, 63483), (3023, 21903), (3129, 21161), (7301, 9069)]