28156491

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{31601}}^1$

素因数の和:31624

約数の個数: 20

約数和(自身を含む): 45886104

約数和(自身を除く): 17729613

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 31601, 94803, 284409, 347611, 853227, 1042833, 2559681, 3128499, 9385497, 28156491]

約数ペア:

[(1, 28156491), (3, 9385497), (9, 3128499), (11, 2559681), (27, 1042833), (33, 853227), (81, 347611), (99, 284409), (297, 94803), (891, 31601)]