55178721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7039}}^1$

素因数の和:7125

約数の個数: 24

約数和(自身を含む): 87127040

約数和(自身を除く): 31948319

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 2613, 7039, 7839, 21117, 63351, 91507, 274521, 471613, 823563, 1414839, 4244517, 6130969, 18392907, 55178721]

約数ペア:

[(1, 55178721), (3, 18392907), (9, 6130969), (13, 4244517), (39, 1414839), (67, 823563), (117, 471613), (201, 274521), (603, 91507), (871, 63351), (2613, 21117), (7039, 7839)]