199971291

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{47041}}^1$

素因数の和:47166

約数の個数: 16

約数和(自身を含む): 289778720

約数和(自身を除く): 89807429

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 47041, 141123, 611533, 1834599, 5127469, 15382407, 66657097, 199971291]

約数ペア:

[(1, 199971291), (3, 66657097), (13, 15382407), (39, 5127469), (109, 1834599), (327, 611533), (1417, 141123), (4251, 47041)]