168120765

素因数分解:

$3^5\times 5^1\times {\mathrm{138371}}^1$

素因数の和:138391

約数の個数: 24

約数和(自身を含む): 302204448

約数和(自身を除く): 134083683

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 138371, 415113, 691855, 1245339, 2075565, 3736017, 6226695, 11208051, 18680085, 33624153, 56040255, 168120765]

約数ペア:

[(1, 168120765), (3, 56040255), (5, 33624153), (9, 18680085), (15, 11208051), (27, 6226695), (45, 3736017), (81, 2075565), (135, 1245339), (243, 691855), (405, 415113), (1215, 138371)]