2143225

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 3128768

約数和(自身を除く): 985543

約数列:

[1, 5, 7, 25, 35, 37, 175, 185, 259, 331, 925, 1295, 1655, 2317, 6475, 8275, 11585, 12247, 57925, 61235, 85729, 306175, 428645, 2143225]

約数ペア:

[(1, 2143225), (5, 428645), (7, 306175), (25, 85729), (35, 61235), (37, 57925), (175, 12247), (185, 11585), (259, 8275), (331, 6475), (925, 2317), (1295, 1655)]