775489545

素因数分解:

$3^5\times 5^1\times {\mathrm{638263}}^1$

素因数の和:638283

約数の個数: 24

約数和(自身を含む): 1393968576

約数和(自身を除く): 618479031

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 638263, 1914789, 3191315, 5744367, 9573945, 17233101, 28721835, 51699303, 86165505, 155097909, 258496515, 775489545]

約数ペア:

[(1, 775489545), (3, 258496515), (5, 155097909), (9, 86165505), (15, 51699303), (27, 28721835), (45, 17233101), (81, 9573945), (135, 5744367), (243, 3191315), (405, 1914789), (1215, 638263)]