25708389

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^2$

素因数の和:186

約数の個数: 36

約数和(自身を含む): 41401152

約数和(自身を除く): 15692763

約数列:

[1, 3, 7, 21, 47, 49, 61, 141, 147, 183, 329, 427, 987, 1281, 2303, 2867, 2989, 3721, 6909, 8601, 8967, 11163, 20069, 26047, 60207, 78141, 140483, 174887, 182329, 421449, 524661, 546987, 1224209, 3672627, 8569463, 25708389]

約数ペア:

[(1, 25708389), (3, 8569463), (7, 3672627), (21, 1224209), (47, 546987), (49, 524661), (61, 421449), (141, 182329), (147, 174887), (183, 140483), (329, 78141), (427, 60207), (987, 26047), (1281, 20069), (2303, 11163), (2867, 8967), (2989, 8601), (3721, 6909)]