205067295

素因数分解:

$3^4\times 5^1\times {\mathrm{506339}}^1$

素因数の和:506356

約数の個数: 20

約数和(自身を含む): 367602840

約数和(自身を除く): 162535545

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 506339, 1519017, 2531695, 4557051, 7595085, 13671153, 22785255, 41013459, 68355765, 205067295]

約数ペア:

[(1, 205067295), (3, 68355765), (5, 41013459), (9, 22785255), (15, 13671153), (27, 7595085), (45, 4557051), (81, 2531695), (135, 1519017), (405, 506339)]