28427157

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2843}}^1$

素因数の和:2961

約数の個数: 24

約数和(自身を含む): 45253728

約数和(自身を除く): 16826571

約数列:

[1, 3, 9, 11, 33, 99, 101, 303, 909, 1111, 2843, 3333, 8529, 9999, 25587, 31273, 93819, 281457, 287143, 861429, 2584287, 3158573, 9475719, 28427157]

約数ペア:

[(1, 28427157), (3, 9475719), (9, 3158573), (11, 2584287), (33, 861429), (99, 287143), (101, 281457), (303, 93819), (909, 31273), (1111, 25587), (2843, 9999), (3333, 8529)]