28142685

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27191}}^1$

素因数の和:27225

約数の個数: 24

約数和(自身を含む): 50903424

約数和(自身を除く): 22760739

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 27191, 81573, 135955, 244719, 407865, 625393, 1223595, 1876179, 3126965, 5628537, 9380895, 28142685]

約数ペア:

[(1, 28142685), (3, 9380895), (5, 5628537), (9, 3126965), (15, 1876179), (23, 1223595), (45, 625393), (69, 407865), (115, 244719), (207, 135955), (345, 81573), (1035, 27191)]