209401611

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{4481}}^1$

素因数の和:4942

約数の個数: 16

約数和(自身を含む): 287493408

約数和(自身を除く): 78091797

約数列:

[1, 3, 37, 111, 421, 1263, 4481, 13443, 15577, 46731, 165797, 497391, 1886501, 5659503, 69800537, 209401611]

約数ペア:

[(1, 209401611), (3, 69800537), (37, 5659503), (111, 1886501), (421, 497391), (1263, 165797), (4481, 46731), (13443, 15577)]