28711689

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{1297}}^1$

素因数の和:1504

約数の個数: 16

約数和(自身を含む): 39376128

約数和(自身を除く): 10664439

約数列:

[1, 3, 47, 141, 157, 471, 1297, 3891, 7379, 22137, 60959, 182877, 203629, 610887, 9570563, 28711689]

約数ペア:

[(1, 28711689), (3, 9570563), (47, 610887), (141, 203629), (157, 182877), (471, 60959), (1297, 22137), (3891, 7379)]