9891865

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 12344976

約数和(自身を除く): 2453111

約数列:

[1, 5, 41, 73, 205, 365, 661, 2993, 3305, 14965, 27101, 48253, 135505, 241265, 1978373, 9891865]

約数ペア:

[(1, 9891865), (5, 1978373), (41, 241265), (73, 135505), (205, 48253), (365, 27101), (661, 14965), (2993, 3305)]