172821209

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{1499}}^1$

素因数の和:1780

約数の個数: 16

約数和(自身を含む): 193536000

約数和(自身を除く): 20714791

約数列:

[1, 11, 47, 223, 517, 1499, 2453, 10481, 16489, 70453, 115291, 334277, 774983, 3677047, 15711019, 172821209]

約数ペア:

[(1, 172821209), (11, 15711019), (47, 3677047), (223, 774983), (517, 334277), (1499, 115291), (2453, 70453), (10481, 16489)]