2172603

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{37}}^2$

素因数の和:123

約数の個数: 18

約数和(自身を含む): 3112284

約数和(自身を除く): 939681

約数列:

[1, 3, 23, 37, 69, 111, 529, 851, 1369, 1587, 2553, 4107, 19573, 31487, 58719, 94461, 724201, 2172603]

約数ペア:

[(1, 2172603), (3, 724201), (23, 94461), (37, 58719), (69, 31487), (111, 19573), (529, 4107), (851, 2553), (1369, 1587)]