212703165

素因数分解:

$3^4\times 5^1\times {\mathrm{525193}}^1$

素因数の和:525210

約数の個数: 20

約数和(自身を含む): 381290844

約数和(自身を除く): 168587679

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 525193, 1575579, 2625965, 4726737, 7877895, 14180211, 23633685, 42540633, 70901055, 212703165]

約数ペア:

[(1, 212703165), (3, 70901055), (5, 42540633), (9, 23633685), (15, 14180211), (27, 7877895), (45, 4726737), (81, 2625965), (135, 1575579), (405, 525193)]