18648153

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 27931176

約数和(自身を除く): 9283023

約数列:

[1, 3, 9, 41, 97, 123, 291, 369, 521, 873, 1563, 3977, 4689, 11931, 21361, 35793, 50537, 64083, 151611, 192249, 454833, 2072017, 6216051, 18648153]

約数ペア:

[(1, 18648153), (3, 6216051), (9, 2072017), (41, 454833), (97, 192249), (123, 151611), (291, 64083), (369, 50537), (521, 35793), (873, 21361), (1563, 11931), (3977, 4689)]