861036885

素因数分解:

$3^4\times 5^1\times {\mathrm{2126017}}^1$

素因数の和:2126034

約数の個数: 20

約数和(自身を含む): 1543489068

約数和(自身を除く): 682452183

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2126017, 6378051, 10630085, 19134153, 31890255, 57402459, 95670765, 172207377, 287012295, 861036885]

約数ペア:

[(1, 861036885), (3, 287012295), (5, 172207377), (9, 95670765), (15, 57402459), (27, 31890255), (45, 19134153), (81, 10630085), (135, 6378051), (405, 2126017)]