28320111

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{2753}}^1$

素因数の和:2892

約数の個数: 20

約数和(自身を含む): 42653952

約数和(自身を除く): 14333841

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 2753, 3429, 8259, 10287, 24777, 74331, 222993, 349631, 1048893, 3146679, 9440037, 28320111]

約数ペア:

[(1, 28320111), (3, 9440037), (9, 3146679), (27, 1048893), (81, 349631), (127, 222993), (381, 74331), (1143, 24777), (2753, 10287), (3429, 8259)]