26388405

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 48138480

約数和(自身を除く): 21750075

約数列:

[1, 3, 5, 9, 15, 29, 45, 73, 87, 145, 219, 261, 277, 365, 435, 657, 831, 1095, 1305, 1385, 2117, 2493, 3285, 4155, 6351, 8033, 10585, 12465, 19053, 20221, 24099, 31755, 40165, 60663, 72297, 95265, 101105, 120495, 181989, 303315, 361485, 586409, 909945, 1759227, 2932045, 5277681, 8796135, 26388405]

約数ペア:

[(1, 26388405), (3, 8796135), (5, 5277681), (9, 2932045), (15, 1759227), (29, 909945), (45, 586409), (73, 361485), (87, 303315), (145, 181989), (219, 120495), (261, 101105), (277, 95265), (365, 72297), (435, 60663), (657, 40165), (831, 31755), (1095, 24099), (1305, 20221), (1385, 19053), (2117, 12465), (2493, 10585), (3285, 8033), (4155, 6351)]