261143838

素因数分解:

$2^1\times 3^6\times {\mathrm{179111}}^1$

素因数の和:179131

約数の個数: 28

約数和(自身を含む): 587308248

約数和(自身を除く): 326164410

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 179111, 358222, 537333, 1074666, 1611999, 3223998, 4835997, 9671994, 14507991, 29015982, 43523973, 87047946, 130571919, 261143838]

約数ペア:

[(1, 261143838), (2, 130571919), (3, 87047946), (6, 43523973), (9, 29015982), (18, 14507991), (27, 9671994), (54, 4835997), (81, 3223998), (162, 1611999), (243, 1074666), (486, 537333), (729, 358222), (1458, 179111)]