28308885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4637}}^1$

素因数の和:4693

約数の個数: 32

約数和(自身を含む): 50758272

約数和(自身を除く): 22449387

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 165, 185, 407, 555, 1221, 2035, 4637, 6105, 13911, 23185, 51007, 69555, 153021, 171569, 255035, 514707, 765105, 857845, 1887259, 2573535, 5661777, 9436295, 28308885]

約数ペア:

[(1, 28308885), (3, 9436295), (5, 5661777), (11, 2573535), (15, 1887259), (33, 857845), (37, 765105), (55, 514707), (111, 255035), (165, 171569), (185, 153021), (407, 69555), (555, 51007), (1221, 23185), (2035, 13911), (4637, 6105)]