28651707

素因数分解:

$3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1453}}^1$

素因数の和:1779

約数の個数: 24

約数和(自身を含む): 47481824

約数和(自身を除く): 18830117

約数列:

[1, 3, 7, 9, 21, 63, 313, 939, 1453, 2191, 2817, 4359, 6573, 10171, 13077, 19719, 30513, 91539, 454789, 1364367, 3183523, 4093101, 9550569, 28651707]

約数ペア:

[(1, 28651707), (3, 9550569), (7, 4093101), (9, 3183523), (21, 1364367), (63, 454789), (313, 91539), (939, 30513), (1453, 19719), (2191, 13077), (2817, 10171), (4359, 6573)]