28418961

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{1709}}^1$

素因数の和:1976

約数の個数: 16

約数和(自身を含む): 39726720

約数和(自身を除く): 11307759

約数列:

[1, 3, 23, 69, 241, 723, 1709, 5127, 5543, 16629, 39307, 117921, 411869, 1235607, 9472987, 28418961]

約数ペア:

[(1, 28418961), (3, 9472987), (23, 1235607), (69, 411869), (241, 117921), (723, 39307), (1709, 16629), (5127, 5543)]