26125209

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 47073312

約数和(自身を除く): 20948103

約数列:

[1, 3, 9, 11, 17, 19, 33, 43, 51, 57, 99, 129, 153, 171, 187, 209, 323, 361, 387, 473, 561, 627, 731, 817, 969, 1083, 1419, 1683, 1881, 2193, 2451, 2907, 3249, 3553, 3971, 4257, 6137, 6579, 7353, 8041, 8987, 10659, 11913, 13889, 15523, 18411, 24123, 26961, 31977, 35739, 41667, 46569, 55233, 67507, 72369, 80883, 125001, 139707, 152779, 170753, 202521, 263891, 458337, 512259, 607563, 791673, 1375011, 1536777, 2375019, 2902801, 8708403, 26125209]

約数ペア:

[(1, 26125209), (3, 8708403), (9, 2902801), (11, 2375019), (17, 1536777), (19, 1375011), (33, 791673), (43, 607563), (51, 512259), (57, 458337), (99, 263891), (129, 202521), (153, 170753), (171, 152779), (187, 139707), (209, 125001), (323, 80883), (361, 72369), (387, 67507), (473, 55233), (561, 46569), (627, 41667), (731, 35739), (817, 31977), (969, 26961), (1083, 24123), (1419, 18411), (1683, 15523), (1881, 13889), (2193, 11913), (2451, 10659), (2907, 8987), (3249, 8041), (3553, 7353), (3971, 6579), (4257, 6137)]