128545963

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 54

約数和(自身を含む): 174865284

約数和(自身を除く): 46319321

約数列:

[1, 7, 13, 19, 43, 49, 91, 133, 169, 247, 301, 361, 559, 637, 817, 931, 1183, 1729, 2107, 2527, 3211, 3913, 4693, 5719, 7267, 8281, 10621, 12103, 15523, 17689, 22477, 27391, 32851, 40033, 50869, 61009, 74347, 108661, 138073, 157339, 201799, 229957, 356083, 427063, 520429, 760627, 966511, 1412593, 2623387, 2989441, 6765577, 9888151, 18363709, 128545963]

約数ペア:

[(1, 128545963), (7, 18363709), (13, 9888151), (19, 6765577), (43, 2989441), (49, 2623387), (91, 1412593), (133, 966511), (169, 760627), (247, 520429), (301, 427063), (361, 356083), (559, 229957), (637, 201799), (817, 157339), (931, 138073), (1183, 108661), (1729, 74347), (2107, 61009), (2527, 50869), (3211, 40033), (3913, 32851), (4693, 27391), (5719, 22477), (7267, 17689), (8281, 15523), (10621, 12103)]