81457515

素因数分解:

$3^3\times 5^1\times {\mathrm{603389}}^1$

素因数の和:603403

約数の個数: 16

約数和(自身を含む): 144813600

約数和(自身を除く): 63356085

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 603389, 1810167, 3016945, 5430501, 9050835, 16291503, 27152505, 81457515]

約数ペア:

[(1, 81457515), (3, 27152505), (5, 16291503), (9, 9050835), (15, 5430501), (27, 3016945), (45, 1810167), (135, 603389)]