199026315

素因数分解:

$3^4\times 5^1\times {\mathrm{491423}}^1$

素因数の和:491440

約数の個数: 20

約数和(自身を含む): 356773824

約数和(自身を除く): 157747509

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 491423, 1474269, 2457115, 4422807, 7371345, 13268421, 22114035, 39805263, 66342105, 199026315]

約数ペア:

[(1, 199026315), (3, 66342105), (5, 39805263), (9, 22114035), (15, 13268421), (27, 7371345), (45, 4422807), (81, 2457115), (135, 1474269), (405, 491423)]