28250991

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1009}}^1$

素因数の和:1096

約数の個数: 32

約数和(自身を含む): 45086400

約数和(自身を除く): 16835409

約数列:

[1, 3, 9, 17, 27, 51, 61, 153, 183, 459, 549, 1009, 1037, 1647, 3027, 3111, 9081, 9333, 17153, 27243, 27999, 51459, 61549, 154377, 184647, 463131, 553941, 1046333, 1661823, 3138999, 9416997, 28250991]

約数ペア:

[(1, 28250991), (3, 9416997), (9, 3138999), (17, 1661823), (27, 1046333), (51, 553941), (61, 463131), (153, 184647), (183, 154377), (459, 61549), (549, 51459), (1009, 27999), (1037, 27243), (1647, 17153), (3027, 9333), (3111, 9081)]