278325621

素因数分解:

$3^2\times 7^1\times {\mathrm{1021}}^1\times {\mathrm{4327}}^1$

素因数の和:5361

約数の個数: 24

約数和(自身を含む): 460014464

約数和(自身を除く): 181688843

約数列:

[1, 3, 7, 9, 21, 63, 1021, 3063, 4327, 7147, 9189, 12981, 21441, 30289, 38943, 64323, 90867, 272601, 4417867, 13253601, 30925069, 39760803, 92775207, 278325621]

約数ペア:

[(1, 278325621), (3, 92775207), (7, 39760803), (9, 30925069), (21, 13253601), (63, 4417867), (1021, 272601), (3063, 90867), (4327, 64323), (7147, 38943), (9189, 30289), (12981, 21441)]