18615135

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 37822464

約数和(自身を除く): 19207329

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 71, 77, 105, 165, 213, 227, 231, 355, 385, 497, 681, 781, 1065, 1135, 1155, 1491, 1589, 2343, 2485, 2497, 3405, 3905, 4767, 5467, 7455, 7491, 7945, 11715, 12485, 16117, 16401, 17479, 23835, 27335, 37455, 48351, 52437, 80585, 82005, 87395, 112819, 177287, 241755, 262185, 338457, 531861, 564095, 886435, 1241009, 1692285, 2659305, 3723027, 6205045, 18615135]

約数ペア:

[(1, 18615135), (3, 6205045), (5, 3723027), (7, 2659305), (11, 1692285), (15, 1241009), (21, 886435), (33, 564095), (35, 531861), (55, 338457), (71, 262185), (77, 241755), (105, 177287), (165, 112819), (213, 87395), (227, 82005), (231, 80585), (355, 52437), (385, 48351), (497, 37455), (681, 27335), (781, 23835), (1065, 17479), (1135, 16401), (1155, 16117), (1491, 12485), (1589, 11715), (2343, 7945), (2485, 7491), (2497, 7455), (3405, 5467), (3905, 4767)]