42181881

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1489}}^1$

素因数の和:1589

約数の個数: 32

約数和(自身を含む): 68659200

約数和(自身を除く): 26477319

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1489, 1491, 4047, 4467, 9443, 10423, 28291, 28329, 31269, 84873, 105719, 198037, 317157, 594111, 740033, 2008661, 2220099, 6025983, 14060627, 42181881]

約数ペア:

[(1, 42181881), (3, 14060627), (7, 6025983), (19, 2220099), (21, 2008661), (57, 740033), (71, 594111), (133, 317157), (213, 198037), (399, 105719), (497, 84873), (1349, 31269), (1489, 28329), (1491, 28291), (4047, 10423), (4467, 9443)]