18615303

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 33246720

約数和(自身を除く): 14631417

約数列:

[1, 3, 7, 9, 21, 23, 29, 63, 69, 87, 161, 203, 207, 261, 443, 483, 609, 667, 1329, 1449, 1827, 2001, 3101, 3987, 4669, 6003, 9303, 10189, 12847, 14007, 27909, 30567, 38541, 42021, 71323, 89929, 91701, 115623, 213969, 269787, 295481, 641907, 809361, 886443, 2068367, 2659329, 6205101, 18615303]

約数ペア:

[(1, 18615303), (3, 6205101), (7, 2659329), (9, 2068367), (21, 886443), (23, 809361), (29, 641907), (63, 295481), (69, 269787), (87, 213969), (161, 115623), (203, 91701), (207, 89929), (261, 71323), (443, 42021), (483, 38541), (609, 30567), (667, 27909), (1329, 14007), (1449, 12847), (1827, 10189), (2001, 9303), (3101, 6003), (3987, 4669)]