128416305

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{208807}}^1$

素因数の和:208856

約数の個数: 16

約数和(自身を含む): 210478464

約数和(自身を除く): 82062159

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 208807, 626421, 1044035, 3132105, 8561087, 25683261, 42805435, 128416305]

約数ペア:

[(1, 128416305), (3, 42805435), (5, 25683261), (15, 8561087), (41, 3132105), (123, 1044035), (205, 626421), (615, 208807)]