25175493

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{6551}}^1$

素因数の和:6625

約数の個数: 24

約数和(自身を含む): 42247296

約数和(自身を除く): 17071803

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 6551, 19653, 45857, 58959, 137571, 399611, 412713, 1198833, 2797277, 3596499, 8391831, 25175493]

約数ペア:

[(1, 25175493), (3, 8391831), (7, 3596499), (9, 2797277), (21, 1198833), (61, 412713), (63, 399611), (183, 137571), (427, 58959), (549, 45857), (1281, 19653), (3843, 6551)]