66868155

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20929}}^1$

素因数の和:21011

約数の個数: 24

約数和(自身を含む): 117542880

約数和(自身を除く): 50674725

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 20929, 62787, 104645, 188361, 313935, 941805, 1485959, 4457877, 7429795, 13373631, 22289385, 66868155]

約数ペア:

[(1, 66868155), (3, 22289385), (5, 13373631), (9, 7429795), (15, 4457877), (45, 1485959), (71, 941805), (213, 313935), (355, 188361), (639, 104645), (1065, 62787), (3195, 20929)]