12161985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73709}}^1$

素因数の和:73728

約数の個数: 16

約数和(自身を含む): 21228480

約数和(自身を除く): 9066495

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 73709, 221127, 368545, 810799, 1105635, 2432397, 4053995, 12161985]

約数ペア:

[(1, 12161985), (3, 4053995), (5, 2432397), (11, 1105635), (15, 810799), (33, 368545), (55, 221127), (165, 73709)]