204021855

素因数分解:

$3^3\times 5^1\times {\mathrm{1511273}}^1$

素因数の和:1511287

約数の個数: 16

約数和(自身を含む): 362705760

約数和(自身を除く): 158683905

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1511273, 4533819, 7556365, 13601457, 22669095, 40804371, 68007285, 204021855]

約数ペア:

[(1, 204021855), (3, 68007285), (5, 40804371), (9, 22669095), (15, 13601457), (27, 7556365), (45, 4533819), (135, 1511273)]