1390365

素因数分解:

$3^4\times 5^1\times {\mathrm{3433}}^1$

素因数の和:3450

約数の個数: 20

約数和(自身を含む): 2493084

約数和(自身を除く): 1102719

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3433, 10299, 17165, 30897, 51495, 92691, 154485, 278073, 463455, 1390365]

約数ペア:

[(1, 1390365), (3, 463455), (5, 278073), (9, 154485), (15, 92691), (27, 51495), (45, 30897), (81, 17165), (135, 10299), (405, 3433)]