205206921

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{2557}}^1$

素因数の和:2841

約数の個数: 24

約数和(自身を含む): 305803784

約数和(自身を除く): 100596863

約数列:

[1, 3, 9, 37, 111, 241, 333, 723, 2169, 2557, 7671, 8917, 23013, 26751, 80253, 94609, 283827, 616237, 851481, 1848711, 5546133, 22800769, 68402307, 205206921]

約数ペア:

[(1, 205206921), (3, 68402307), (9, 22800769), (37, 5546133), (111, 1848711), (241, 851481), (333, 616237), (723, 283827), (2169, 94609), (2557, 80253), (7671, 26751), (8917, 23013)]