28313865

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{9391}}^1$

素因数の和:9469

約数の個数: 24

約数和(自身を含む): 49815168

約数和(自身を除く): 21501303

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 9391, 28173, 46955, 84519, 140865, 422595, 629197, 1887591, 3145985, 5662773, 9437955, 28313865]

約数ペア:

[(1, 28313865), (3, 9437955), (5, 5662773), (9, 3145985), (15, 1887591), (45, 629197), (67, 422595), (201, 140865), (335, 84519), (603, 46955), (1005, 28173), (3015, 9391)]