28942767

素因数分解:

$3^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1181}}^1$

素因数の和:1583

約数の個数: 24

約数和(自身を含む): 47941920

約数和(自身を除く): 18999153

約数列:

[1, 3, 7, 9, 21, 63, 389, 1167, 1181, 2723, 3501, 3543, 8169, 8267, 10629, 24507, 24801, 74403, 459409, 1378227, 3215863, 4134681, 9647589, 28942767]

約数ペア:

[(1, 28942767), (3, 9647589), (7, 4134681), (9, 3215863), (21, 1378227), (63, 459409), (389, 74403), (1167, 24801), (1181, 24507), (2723, 10629), (3501, 8267), (3543, 8169)]