72138801

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{180799}}^1$

素因数の和:180828

約数の個数: 16

約数和(自身を含む): 115712000

約数和(自身を除く): 43573199

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 180799, 542397, 1265593, 3435181, 3796779, 10305543, 24046267, 72138801]

約数ペア:

[(1, 72138801), (3, 24046267), (7, 10305543), (19, 3796779), (21, 3435181), (57, 1265593), (133, 542397), (399, 180799)]