28911603

素因数分解:

$3^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{3691}}^1$

素因数の和:4074

約数の個数: 16

約数和(自身を含む): 44185856

約数和(自身を除く): 15274253

約数列:

[1, 3, 7, 21, 373, 1119, 2611, 3691, 7833, 11073, 25837, 77511, 1376743, 4130229, 9637201, 28911603]

約数ペア:

[(1, 28911603), (3, 9637201), (7, 4130229), (21, 1376743), (373, 77511), (1119, 25837), (2611, 11073), (3691, 7833)]