1821331025

素因数分解:

$5^2\times {\mathrm{173}}^1\times {\mathrm{373}}^1\times {\mathrm{1129}}^1$

素因数の和:1685

約数の個数: 24

約数和(自身を含む): 2279612280

約数和(自身を除く): 458281255

約数列:

[1, 5, 25, 173, 373, 865, 1129, 1865, 4325, 5645, 9325, 28225, 64529, 195317, 322645, 421117, 976585, 1613225, 2105585, 4882925, 10527925, 72853241, 364266205, 1821331025]

約数ペア:

[(1, 1821331025), (5, 364266205), (25, 72853241), (173, 10527925), (373, 4882925), (865, 2105585), (1129, 1613225), (1865, 976585), (4325, 421117), (5645, 322645), (9325, 195317), (28225, 64529)]