201989943

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{47051}}^1$

素因数の和:47116

約数の個数: 20

約数和(自身を含む): 307437768

約数和(自身を除く): 105447825

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 47051, 141153, 423459, 1270377, 2493703, 3811131, 7481109, 22443327, 67329981, 201989943]

約数ペア:

[(1, 201989943), (3, 67329981), (9, 22443327), (27, 7481109), (53, 3811131), (81, 2493703), (159, 1270377), (477, 423459), (1431, 141153), (4293, 47051)]