1977225

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 3353952

約数和(自身を除く): 1376727

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 643, 1025, 1929, 3075, 3215, 9645, 16075, 26363, 48225, 79089, 131815, 395445, 659075, 1977225]

約数ペア:

[(1, 1977225), (3, 659075), (5, 395445), (15, 131815), (25, 79089), (41, 48225), (75, 26363), (123, 16075), (205, 9645), (615, 3215), (643, 3075), (1025, 1929)]