20218980105

素因数分解:

$3^3\times 5^1\times {\mathrm{149770223}}^1$

素因数の和:149770237

約数の個数: 16

約数和(自身を含む): 35944853760

約数和(自身を除く): 15725873655

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149770223, 449310669, 748851115, 1347932007, 2246553345, 4043796021, 6739660035, 20218980105]

約数ペア:

[(1, 20218980105), (3, 6739660035), (5, 4043796021), (9, 2246553345), (15, 1347932007), (27, 748851115), (45, 449310669), (135, 149770223)]