27454545

素因数分解:

$3^4\times 5^1\times {\mathrm{67789}}^1$

素因数の和:67806

約数の個数: 20

約数和(自身を含む): 49215540

約数和(自身を除く): 21760995

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 67789, 203367, 338945, 610101, 1016835, 1830303, 3050505, 5490909, 9151515, 27454545]

約数ペア:

[(1, 27454545), (3, 9151515), (5, 5490909), (9, 3050505), (15, 1830303), (27, 1016835), (45, 610101), (81, 338945), (135, 203367), (405, 67789)]