28695117

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{1669}}^1$

素因数の和:2204

約数の個数: 16

約数和(自身を含む): 41843520

約数和(自身を除く): 13148403

約数列:

[1, 3, 11, 33, 521, 1563, 1669, 5007, 5731, 17193, 18359, 55077, 869549, 2608647, 9565039, 28695117]

約数ペア:

[(1, 28695117), (3, 9565039), (11, 2608647), (33, 869549), (521, 55077), (1563, 18359), (1669, 17193), (5007, 5731)]