408039471

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{20177}}^1$

素因数の和:20300

約数の個数: 32

約数和(自身を含む): 697351680

約数和(自身を除く): 289312209

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 963, 2247, 2889, 6741, 20177, 20223, 60531, 141239, 181593, 423717, 544779, 1271151, 2158939, 3813453, 6476817, 15112573, 19430451, 45337719, 58291353, 136013157, 408039471]

約数ペア:

[(1, 408039471), (3, 136013157), (7, 58291353), (9, 45337719), (21, 19430451), (27, 15112573), (63, 6476817), (107, 3813453), (189, 2158939), (321, 1271151), (749, 544779), (963, 423717), (2247, 181593), (2889, 141239), (6741, 60531), (20177, 20223)]