28197747

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2671}}^1$

素因数の和:2720

約数の個数: 32

約数和(自身を含む): 46172160

約数和(自身を除く): 17974413

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 153, 207, 391, 459, 621, 1173, 2671, 3519, 8013, 10557, 24039, 45407, 61433, 72117, 136221, 184299, 408663, 552897, 1044361, 1225989, 1658691, 3133083, 9399249, 28197747]

約数ペア:

[(1, 28197747), (3, 9399249), (9, 3133083), (17, 1658691), (23, 1225989), (27, 1044361), (51, 552897), (69, 408663), (153, 184299), (207, 136221), (391, 72117), (459, 61433), (621, 45407), (1173, 24039), (2671, 10557), (3519, 8013)]