1908045

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 3346200

約数和(自身を除く): 1438155

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 389, 545, 981, 1167, 1635, 1945, 3501, 4905, 5835, 17505, 42401, 127203, 212005, 381609, 636015, 1908045]

約数ペア:

[(1, 1908045), (3, 636015), (5, 381609), (9, 212005), (15, 127203), (45, 42401), (109, 17505), (327, 5835), (389, 4905), (545, 3501), (981, 1945), (1167, 1635)]