138768231

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{3931}}^1$

素因数の和:4023

約数の個数: 24

約数和(自身を含む): 216794752

約数和(自身を除く): 78026521

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 1681, 3931, 5043, 11767, 11793, 27517, 35301, 82551, 161171, 483513, 1128197, 3384591, 6608011, 19824033, 46256077, 138768231]

約数ペア:

[(1, 138768231), (3, 46256077), (7, 19824033), (21, 6608011), (41, 3384591), (123, 1128197), (287, 483513), (861, 161171), (1681, 82551), (3931, 35301), (5043, 27517), (11767, 11793)]