28550151

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1171}}^1$

素因数の和:1233

約数の個数: 40

約数和(自身を含む): 49917824

約数和(自身を除く): 21367673

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 301, 387, 567, 903, 1161, 1171, 2709, 3483, 3513, 8127, 8197, 10539, 24381, 24591, 31617, 50353, 73773, 94851, 151059, 221319, 352471, 453177, 663957, 1057413, 1359531, 3172239, 4078593, 9516717, 28550151]

約数ペア:

[(1, 28550151), (3, 9516717), (7, 4078593), (9, 3172239), (21, 1359531), (27, 1057413), (43, 663957), (63, 453177), (81, 352471), (129, 221319), (189, 151059), (301, 94851), (387, 73773), (567, 50353), (903, 31617), (1161, 24591), (1171, 24381), (2709, 10539), (3483, 8197), (3513, 8127)]