128436231

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 222953472

約数和(自身を除く): 94517241

約数列:

[1, 3, 7, 11, 21, 33, 41, 71, 77, 123, 191, 213, 231, 287, 451, 497, 573, 781, 861, 1337, 1353, 1491, 2101, 2343, 2911, 3157, 4011, 5467, 6303, 7831, 8733, 9471, 13561, 14707, 16401, 20377, 23493, 32021, 40683, 44121, 54817, 61131, 86141, 94927, 96063, 149171, 164451, 224147, 258423, 284781, 447513, 556001, 602987, 672441, 1044197, 1668003, 1808961, 3132591, 3892007, 6116011, 11676021, 18348033, 42812077, 128436231]

約数ペア:

[(1, 128436231), (3, 42812077), (7, 18348033), (11, 11676021), (21, 6116011), (33, 3892007), (41, 3132591), (71, 1808961), (77, 1668003), (123, 1044197), (191, 672441), (213, 602987), (231, 556001), (287, 447513), (451, 284781), (497, 258423), (573, 224147), (781, 164451), (861, 149171), (1337, 96063), (1353, 94927), (1491, 86141), (2101, 61131), (2343, 54817), (2911, 44121), (3157, 40683), (4011, 32021), (5467, 23493), (6303, 20377), (7831, 16401), (8733, 14707), (9471, 13561)]