25207371

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12907}}^1$

素因数の和:12951

約数の個数: 24

約数和(自身を含む): 42957824

約数和(自身を除く): 17750453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 12907, 38721, 90349, 116163, 271047, 400117, 813141, 1200351, 2800819, 3601053, 8402457, 25207371]

約数ペア:

[(1, 25207371), (3, 8402457), (7, 3601053), (9, 2800819), (21, 1200351), (31, 813141), (63, 400117), (93, 271047), (217, 116163), (279, 90349), (651, 38721), (1953, 12907)]