1288397721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{74573}}^1$

素因数の和:75032

約数の個数: 16

約数和(自身を含む): 1854207936

約数和(自身を除く): 565810215

約数列:

[1, 3, 13, 39, 443, 1329, 5759, 17277, 74573, 223719, 969449, 2908347, 33035839, 99107517, 429465907, 1288397721]

約数ペア:

[(1, 1288397721), (3, 429465907), (13, 99107517), (39, 33035839), (443, 2908347), (1329, 969449), (5759, 223719), (17277, 74573)]