2591406

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{1297}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 5918880

約数和(自身を除く): 3327474

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1297, 1998, 2594, 3891, 7782, 11673, 23346, 35019, 47989, 70038, 95978, 143967, 287934, 431901, 863802, 1295703, 2591406]

約数ペア:

[(1, 2591406), (2, 1295703), (3, 863802), (6, 431901), (9, 287934), (18, 143967), (27, 95978), (37, 70038), (54, 47989), (74, 35019), (111, 23346), (222, 11673), (333, 7782), (666, 3891), (999, 2594), (1297, 1998)]