69320205

素因数分解:

$3^4\times 5^1\times {\mathrm{171161}}^1$

素因数の和:171178

約数の個数: 20

約数和(自身を含む): 124263612

約数和(自身を除く): 54943407

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 171161, 513483, 855805, 1540449, 2567415, 4621347, 7702245, 13864041, 23106735, 69320205]

約数ペア:

[(1, 69320205), (3, 23106735), (5, 13864041), (9, 7702245), (15, 4621347), (27, 2567415), (45, 1540449), (81, 855805), (135, 513483), (405, 171161)]