57782565

素因数分解:

$3^4\times 5^1\times {\mathrm{142673}}^1$

素因数の和:142690

約数の個数: 20

約数和(自身を含む): 103581324

約数和(自身を除く): 45798759

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 142673, 428019, 713365, 1284057, 2140095, 3852171, 6420285, 11556513, 19260855, 57782565]

約数ペア:

[(1, 57782565), (3, 19260855), (5, 11556513), (9, 6420285), (15, 3852171), (27, 2140095), (45, 1284057), (81, 713365), (135, 428019), (405, 142673)]