28135737

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2267}}^1$

素因数の和:2477

約数の個数: 24

約数和(自身を含む): 46702656

約数和(自身を除く): 18566919

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 1379, 1773, 2267, 4137, 6801, 12411, 15869, 20403, 47607, 142821, 446599, 1339797, 3126193, 4019391, 9378579, 28135737]

約数ペア:

[(1, 28135737), (3, 9378579), (7, 4019391), (9, 3126193), (21, 1339797), (63, 446599), (197, 142821), (591, 47607), (1379, 20403), (1773, 15869), (2267, 12411), (4137, 6801)]