17997753

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{2393}}^1$

素因数の和:2528

約数の個数: 16

約数和(自身を含む): 25280640

約数和(自身を除く): 7282887

約数列:

[1, 3, 23, 69, 109, 327, 2393, 2507, 7179, 7521, 55039, 165117, 260837, 782511, 5999251, 17997753]

約数ペア:

[(1, 17997753), (3, 5999251), (23, 782511), (69, 260837), (109, 165117), (327, 55039), (2393, 7521), (2507, 7179)]