2881179

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 5241600

約数和(自身を除く): 2360421

約数列:

[1, 3, 7, 9, 19, 21, 29, 57, 63, 83, 87, 133, 171, 203, 249, 261, 399, 551, 581, 609, 747, 1197, 1577, 1653, 1743, 1827, 2407, 3857, 4731, 4959, 5229, 7221, 11039, 11571, 14193, 16849, 21663, 33117, 34713, 45733, 50547, 99351, 137199, 151641, 320131, 411597, 960393, 2881179]

約数ペア:

[(1, 2881179), (3, 960393), (7, 411597), (9, 320131), (19, 151641), (21, 137199), (29, 99351), (57, 50547), (63, 45733), (83, 34713), (87, 33117), (133, 21663), (171, 16849), (203, 14193), (249, 11571), (261, 11039), (399, 7221), (551, 5229), (581, 4959), (609, 4731), (747, 3857), (1197, 2407), (1577, 1827), (1653, 1743)]