1213203465

素因数分解:

$3^2\times 5^1\times {\mathrm{26960077}}^1$

素因数の和:26960088

約数の個数: 12

約数和(自身を含む): 2102886084

約数和(自身を除く): 889682619

約数列:

[1, 3, 5, 9, 15, 45, 26960077, 80880231, 134800385, 242640693, 404401155, 1213203465]

約数ペア:

[(1, 1213203465), (3, 404401155), (5, 242640693), (9, 134800385), (15, 80880231), (45, 26960077)]