28941231

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{1723}}^1$

素因数の和:2246

約数の個数: 16

約数和(自身を含む): 42203520

約数和(自身を除く): 13262289

約数列:

[1, 3, 11, 33, 509, 1527, 1723, 5169, 5599, 16797, 18953, 56859, 877007, 2631021, 9647077, 28941231]

約数ペア:

[(1, 28941231), (3, 9647077), (11, 2631021), (33, 877007), (509, 56859), (1527, 18953), (1723, 16797), (5169, 5599)]