189913005

素因数分解:

$3^5\times 5^1\times {\mathrm{156307}}^1$

素因数の和:156327

約数の個数: 24

約数和(自身を含む): 341376672

約数和(自身を除く): 151463667

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 156307, 468921, 781535, 1406763, 2344605, 4220289, 7033815, 12660867, 21101445, 37982601, 63304335, 189913005]

約数ペア:

[(1, 189913005), (3, 63304335), (5, 37982601), (9, 21101445), (15, 12660867), (27, 7033815), (45, 4220289), (81, 2344605), (135, 1406763), (243, 781535), (405, 468921), (1215, 156307)]