128640495

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{372871}}^1$

素因数の和:372902

約数の個数: 16

約数和(自身を含む): 214774272

約数和(自身を除く): 86133777

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 372871, 1118613, 1864355, 5593065, 8576033, 25728099, 42880165, 128640495]

約数ペア:

[(1, 128640495), (3, 42880165), (5, 25728099), (15, 8576033), (23, 5593065), (69, 1864355), (115, 1118613), (345, 372871)]