28926303

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72497}}^1$

素因数の和:72526

約数の個数: 16

約数和(自身を含む): 46398720

約数和(自身を除く): 17472417

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 72497, 217491, 507479, 1377443, 1522437, 4132329, 9642101, 28926303]

約数ペア:

[(1, 28926303), (3, 9642101), (7, 4132329), (19, 1522437), (21, 1377443), (57, 507479), (133, 217491), (399, 72497)]