1217967219

素因数分解:

$3^3\times 7^1\times {\mathrm{6444271}}^1$

素因数の和:6444287

約数の個数: 16

約数和(自身を含む): 2062167040

約数和(自身を除く): 844199821

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 6444271, 19332813, 45109897, 57998439, 135329691, 173995317, 405989073, 1217967219]

約数ペア:

[(1, 1217967219), (3, 405989073), (7, 173995317), (9, 135329691), (21, 57998439), (27, 45109897), (63, 19332813), (189, 6444271)]