57421263

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1\times {\mathrm{907}}^1$

素因数の和:1406

約数の個数: 16

約数和(自身を含む): 78451200

約数和(自身を除く): 21029937

約数列:

[1, 3, 47, 141, 449, 907, 1347, 2721, 21103, 42629, 63309, 127887, 407243, 1221729, 19140421, 57421263]

約数ペア:

[(1, 57421263), (3, 19140421), (47, 1221729), (141, 407243), (449, 127887), (907, 63309), (1347, 42629), (2721, 21103)]