2109789

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 3373344

約数和(自身を除く): 1263555

約数列:

[1, 3, 9, 11, 33, 99, 101, 211, 303, 633, 909, 1111, 1899, 2321, 3333, 6963, 9999, 20889, 21311, 63933, 191799, 234421, 703263, 2109789]

約数ペア:

[(1, 2109789), (3, 703263), (9, 234421), (11, 191799), (33, 63933), (99, 21311), (101, 20889), (211, 9999), (303, 6963), (633, 3333), (909, 2321), (1111, 1899)]