128907018

素因数分解:

$2^1\times 3^3\times {\mathrm{2387167}}^1$

素因数の和:2387178

約数の個数: 16

約数和(自身を含む): 286460160

約数和(自身を除く): 157553142

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 2387167, 4774334, 7161501, 14323002, 21484503, 42969006, 64453509, 128907018]

約数ペア:

[(1, 128907018), (2, 64453509), (3, 42969006), (6, 21484503), (9, 14323002), (18, 7161501), (27, 4774334), (54, 2387167)]