81435765

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{126257}}^1$

素因数の和:126308

約数の個数: 16

約数和(自身を含む): 133328448

約数和(自身を除く): 51892683

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 126257, 378771, 631285, 1893855, 5429051, 16287153, 27145255, 81435765]

約数ペア:

[(1, 81435765), (3, 27145255), (5, 16287153), (15, 5429051), (43, 1893855), (129, 631285), (215, 378771), (645, 126257)]