217242015

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{629687}}^1$

素因数の和:629718

約数の個数: 16

約数和(自身を含む): 362700288

約数和(自身を除く): 145458273

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 629687, 1889061, 3148435, 9445305, 14482801, 43448403, 72414005, 217242015]

約数ペア:

[(1, 217242015), (3, 72414005), (5, 43448403), (15, 14482801), (23, 9445305), (69, 3148435), (115, 1889061), (345, 629687)]