51392439

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 88518144

約数和(自身を除く): 37125705

約数列:

[1, 3, 7, 9, 21, 43, 61, 63, 129, 183, 301, 311, 387, 427, 549, 903, 933, 1281, 2177, 2623, 2709, 2799, 3843, 6531, 7869, 13373, 18361, 18971, 19593, 23607, 40119, 55083, 56913, 93611, 120357, 132797, 165249, 170739, 280833, 398391, 815753, 842499, 1195173, 2447259, 5710271, 7341777, 17130813, 51392439]

約数ペア:

[(1, 51392439), (3, 17130813), (7, 7341777), (9, 5710271), (21, 2447259), (43, 1195173), (61, 842499), (63, 815753), (129, 398391), (183, 280833), (301, 170739), (311, 165249), (387, 132797), (427, 120357), (549, 93611), (903, 56913), (933, 55083), (1281, 40119), (2177, 23607), (2623, 19593), (2709, 18971), (2799, 18361), (3843, 13373), (6531, 7869)]