280147491

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{266047}}^1$

素因数の和:266072

約数の個数: 20

約数和(自身を含む): 450685312

約数和(自身を除く): 170537821

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 266047, 798141, 2394423, 3458611, 7183269, 10375833, 21549807, 31127499, 93382497, 280147491]

約数ペア:

[(1, 280147491), (3, 93382497), (9, 31127499), (13, 21549807), (27, 10375833), (39, 7183269), (81, 3458611), (117, 2394423), (351, 798141), (1053, 266047)]