2154843

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{719}}^1$

素因数の和:768

約数の個数: 20

約数和(自身を含む): 3310560

約数和(自身を除く): 1155717

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 719, 999, 2157, 2997, 6471, 19413, 26603, 58239, 79809, 239427, 718281, 2154843]

約数ペア:

[(1, 2154843), (3, 718281), (9, 239427), (27, 79809), (37, 58239), (81, 26603), (111, 19413), (333, 6471), (719, 2997), (999, 2157)]