16566921

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2711}}^1$

素因数の和:2821

約数の個数: 24

約数和(自身を含む): 27640704

約数和(自身を除く): 11073783

約数列:

[1, 3, 7, 9, 21, 63, 97, 291, 679, 873, 2037, 2711, 6111, 8133, 18977, 24399, 56931, 170793, 262967, 788901, 1840769, 2366703, 5522307, 16566921]

約数ペア:

[(1, 16566921), (3, 5522307), (7, 2366703), (9, 1840769), (21, 788901), (63, 262967), (97, 170793), (291, 56931), (679, 24399), (873, 18977), (2037, 8133), (2711, 6111)]