545899905

素因数分解:

$3^4\times 5^1\times {\mathrm{1347901}}^1$

素因数の和:1347918

約数の個数: 20

約数和(自身を含む): 978576852

約数和(自身を除く): 432676947

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1347901, 4043703, 6739505, 12131109, 20218515, 36393327, 60655545, 109179981, 181966635, 545899905]

約数ペア:

[(1, 545899905), (3, 181966635), (5, 109179981), (9, 60655545), (15, 36393327), (27, 20218515), (45, 12131109), (81, 6739505), (135, 4043703), (405, 1347901)]