981925

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 1444352

約数和(自身を除く): 462427

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 181, 217, 775, 905, 1085, 1267, 4525, 5425, 5611, 6335, 28055, 31675, 39277, 140275, 196385, 981925]

約数ペア:

[(1, 981925), (5, 196385), (7, 140275), (25, 39277), (31, 31675), (35, 28055), (155, 6335), (175, 5611), (181, 5425), (217, 4525), (775, 1267), (905, 1085)]