13278717

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1471}}^1$

素因数の和:1553

約数の個数: 24

約数和(自身を含む): 20666880

約数和(自身を除く): 7388163

約数列:

[1, 3, 9, 17, 51, 59, 153, 177, 531, 1003, 1471, 3009, 4413, 9027, 13239, 25007, 75021, 86789, 225063, 260367, 781101, 1475413, 4426239, 13278717]

約数ペア:

[(1, 13278717), (3, 4426239), (9, 1475413), (17, 781101), (51, 260367), (59, 225063), (153, 86789), (177, 75021), (531, 25007), (1003, 13239), (1471, 9027), (3009, 4413)]