11891205

素因数分解:

$3^5\times 5^1\times {\mathrm{9787}}^1$

素因数の和:9807

約数の個数: 24

約数和(自身を含む): 21376992

約数和(自身を除く): 9485787

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 9787, 29361, 48935, 88083, 146805, 264249, 440415, 792747, 1321245, 2378241, 3963735, 11891205]

約数ペア:

[(1, 11891205), (3, 3963735), (5, 2378241), (9, 1321245), (15, 792747), (27, 440415), (45, 264249), (81, 146805), (135, 88083), (243, 48935), (405, 29361), (1215, 9787)]