71286885

素因数分解:

$3^4\times 5^1\times {\mathrm{176017}}^1$

素因数の和:176034

約数の個数: 20

約数和(自身を含む): 127789068

約数和(自身を除く): 56502183

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 176017, 528051, 880085, 1584153, 2640255, 4752459, 7920765, 14257377, 23762295, 71286885]

約数ペア:

[(1, 71286885), (3, 23762295), (5, 14257377), (9, 7920765), (15, 4752459), (27, 2640255), (45, 1584153), (81, 880085), (135, 528051), (405, 176017)]