218194017

素因数分解:

$3^1\times {\mathrm{167}}^1\times {\mathrm{491}}^1\times {\mathrm{887}}^1$

素因数の和:1548

約数の個数: 16

約数和(自身を含む): 293594112

約数和(自身を除く): 75400095

約数列:

[1, 3, 167, 491, 501, 887, 1473, 2661, 81997, 148129, 245991, 435517, 444387, 1306551, 72731339, 218194017]

約数ペア:

[(1, 218194017), (3, 72731339), (167, 1306551), (491, 444387), (501, 435517), (887, 245991), (1473, 148129), (2661, 81997)]