138121851

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{177763}}^1$

素因数の和:177810

約数の個数: 16

約数和(自身を含む): 216161024

約数和(自身を除く): 78039173

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 177763, 533289, 1244341, 3733023, 6577231, 19731693, 46040617, 138121851]

約数ペア:

[(1, 138121851), (3, 46040617), (7, 19731693), (21, 6577231), (37, 3733023), (111, 1244341), (259, 533289), (777, 177763)]