266688405

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 472215744

約数和(自身を除く): 205527339

約数列:

[1, 3, 5, 9, 15, 45, 97, 107, 291, 321, 485, 535, 571, 873, 963, 1455, 1605, 1713, 2855, 4365, 4815, 5139, 8565, 10379, 25695, 31137, 51895, 55387, 61097, 93411, 155685, 166161, 183291, 276935, 305485, 467055, 498483, 549873, 830805, 916455, 2492415, 2749365, 5926409, 17779227, 29632045, 53337681, 88896135, 266688405]

約数ペア:

[(1, 266688405), (3, 88896135), (5, 53337681), (9, 29632045), (15, 17779227), (45, 5926409), (97, 2749365), (107, 2492415), (291, 916455), (321, 830805), (485, 549873), (535, 498483), (571, 467055), (873, 305485), (963, 276935), (1455, 183291), (1605, 166161), (1713, 155685), (2855, 93411), (4365, 61097), (4815, 55387), (5139, 51895), (8565, 31137), (10379, 25695)]