28260351

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{7603}}^1$

素因数の和:7675

約数の個数: 24

約数和(自身を含む): 47448960

約数和(自身を除く): 19188609

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 7603, 22809, 53221, 68427, 159663, 448577, 478989, 1345731, 3140039, 4037193, 9420117, 28260351]

約数ペア:

[(1, 28260351), (3, 9420117), (7, 4037193), (9, 3140039), (21, 1345731), (59, 478989), (63, 448577), (177, 159663), (413, 68427), (531, 53221), (1239, 22809), (3717, 7603)]