159768045

素因数分解:

$3^4\times 5^1\times {\mathrm{394489}}^1$

素因数の和:394506

約数の個数: 20

約数和(自身を含む): 286399740

約数和(自身を除く): 126631695

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 394489, 1183467, 1972445, 3550401, 5917335, 10651203, 17752005, 31953609, 53256015, 159768045]

約数ペア:

[(1, 159768045), (3, 53256015), (5, 31953609), (9, 17752005), (15, 10651203), (27, 5917335), (45, 3550401), (81, 1972445), (135, 1183467), (405, 394489)]