221434413

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{5107}}^1$

素因数の和:5356

約数の個数: 16

約数和(自身を含む): 300350400

約数和(自身を除く): 78915987

約数列:

[1, 3, 97, 149, 291, 447, 5107, 14453, 15321, 43359, 495379, 760943, 1486137, 2282829, 73811471, 221434413]

約数ペア:

[(1, 221434413), (3, 73811471), (97, 2282829), (149, 1486137), (291, 760943), (447, 495379), (5107, 43359), (14453, 15321)]