31061025

素因数分解:

$3^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{1087}}^1$

素因数の和:1230

約数の個数: 36

約数和(自身を含む): 56123392

約数和(自身を除く): 25062367

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 127, 225, 381, 635, 1087, 1143, 1905, 3175, 3261, 5435, 5715, 9525, 9783, 16305, 27175, 28575, 48915, 81525, 138049, 244575, 414147, 690245, 1242441, 2070735, 3451225, 6212205, 10353675, 31061025]

約数ペア:

[(1, 31061025), (3, 10353675), (5, 6212205), (9, 3451225), (15, 2070735), (25, 1242441), (45, 690245), (75, 414147), (127, 244575), (225, 138049), (381, 81525), (635, 48915), (1087, 28575), (1143, 27175), (1905, 16305), (3175, 9783), (3261, 9525), (5435, 5715)]