18120729

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 9458151

約数列:

[1, 3, 11, 33, 41, 59, 123, 177, 227, 451, 649, 681, 1353, 1947, 2419, 2497, 7257, 7491, 9307, 13393, 26609, 27921, 40179, 79827, 102377, 147323, 307131, 441969, 549113, 1647339, 6040243, 18120729]

約数ペア:

[(1, 18120729), (3, 6040243), (11, 1647339), (33, 549113), (41, 441969), (59, 307131), (123, 147323), (177, 102377), (227, 79827), (451, 40179), (649, 27921), (681, 26609), (1353, 13393), (1947, 9307), (2419, 7491), (2497, 7257)]