138033973

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{17749}}^1$

素因数の和:17868

約数の個数: 16

約数和(自身を含む): 173808000

約数和(自身を除く): 35774027

約数列:

[1, 7, 11, 77, 101, 707, 1111, 7777, 17749, 124243, 195239, 1366673, 1792649, 12548543, 19719139, 138033973]

約数ペア:

[(1, 138033973), (7, 19719139), (11, 12548543), (77, 1792649), (101, 1366673), (707, 195239), (1111, 124243), (7777, 17749)]