1085191749

素因数分解:

$3^4\times {\mathrm{647}}^1\times {\mathrm{20707}}^1$

素因数の和:21366

約数の個数: 20

約数和(自身を含む): 1623672864

約数和(自身を除く): 538481115

約数列:

[1, 3, 9, 27, 81, 647, 1941, 5823, 17469, 20707, 52407, 62121, 186363, 559089, 1677267, 13397429, 40192287, 120576861, 361730583, 1085191749]

約数ペア:

[(1, 1085191749), (3, 361730583), (9, 120576861), (27, 40192287), (81, 13397429), (647, 1677267), (1941, 559089), (5823, 186363), (17469, 62121), (20707, 52407)]