12940281

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1019}}^1$

素因数の和:1125

約数の個数: 24

約数和(自身を含む): 20049120

約数和(自身を除く): 7108839

約数列:

[1, 3, 9, 17, 51, 83, 153, 249, 747, 1019, 1411, 3057, 4233, 9171, 12699, 17323, 51969, 84577, 155907, 253731, 761193, 1437809, 4313427, 12940281]

約数ペア:

[(1, 12940281), (3, 4313427), (9, 1437809), (17, 761193), (51, 253731), (83, 155907), (153, 84577), (249, 51969), (747, 17323), (1019, 12699), (1411, 9171), (3057, 4233)]