87189651

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 142365600

約数和(自身を除く): 55175949

約数列:

[1, 3, 9, 17, 19, 51, 57, 89, 153, 171, 267, 323, 337, 801, 969, 1011, 1513, 1691, 2907, 3033, 4539, 5073, 5729, 6403, 13617, 15219, 17187, 19209, 28747, 29993, 51561, 57627, 86241, 89979, 108851, 258723, 269937, 326553, 509881, 569867, 979659, 1529643, 1709601, 4588929, 5128803, 9687739, 29063217, 87189651]

約数ペア:

[(1, 87189651), (3, 29063217), (9, 9687739), (17, 5128803), (19, 4588929), (51, 1709601), (57, 1529643), (89, 979659), (153, 569867), (171, 509881), (267, 326553), (323, 269937), (337, 258723), (801, 108851), (969, 89979), (1011, 86241), (1513, 57627), (1691, 51561), (2907, 29993), (3033, 28747), (4539, 19209), (5073, 17187), (5729, 15219), (6403, 13617)]