11989131

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 21897216

約数和(自身を除く): 9908085

約数列:

[1, 3, 7, 11, 17, 21, 33, 43, 51, 71, 77, 119, 129, 187, 213, 231, 301, 357, 473, 497, 561, 731, 781, 903, 1207, 1309, 1419, 1491, 2193, 2343, 3053, 3311, 3621, 3927, 5117, 5467, 8041, 8449, 9159, 9933, 13277, 15351, 16401, 21371, 24123, 25347, 33583, 39831, 51901, 56287, 64113, 92939, 100749, 155703, 168861, 235081, 278817, 363307, 570911, 705243, 1089921, 1712733, 3996377, 11989131]

約数ペア:

[(1, 11989131), (3, 3996377), (7, 1712733), (11, 1089921), (17, 705243), (21, 570911), (33, 363307), (43, 278817), (51, 235081), (71, 168861), (77, 155703), (119, 100749), (129, 92939), (187, 64113), (213, 56287), (231, 51901), (301, 39831), (357, 33583), (473, 25347), (497, 24123), (561, 21371), (731, 16401), (781, 15351), (903, 13277), (1207, 9933), (1309, 9159), (1419, 8449), (1491, 8041), (2193, 5467), (2343, 5117), (3053, 3927), (3311, 3621)]