39960945

素因数分解:

$3^4\times 5^1\times {\mathrm{98669}}^1$

素因数の和:98686

約数の個数: 20

約数和(自身を含む): 71634420

約数和(自身を除く): 31673475

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 98669, 296007, 493345, 888021, 1480035, 2664063, 4440105, 7992189, 13320315, 39960945]

約数ペア:

[(1, 39960945), (3, 13320315), (5, 7992189), (9, 4440105), (15, 2664063), (27, 1480035), (45, 888021), (81, 493345), (135, 296007), (405, 98669)]