15125121

素因数分解:

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

素因数の和:107

約数の個数: 72

約数和(自身を含む): 27387360

約数和(自身を除く): 12262239

約数列:

[1, 3, 9, 11, 17, 19, 33, 43, 51, 57, 99, 121, 129, 153, 171, 187, 209, 323, 363, 387, 473, 561, 627, 731, 817, 969, 1089, 1419, 1683, 1881, 2057, 2193, 2299, 2451, 2907, 3553, 4257, 5203, 6171, 6579, 6897, 7353, 8041, 8987, 10659, 13889, 15609, 18513, 20691, 24123, 26961, 31977, 39083, 41667, 46827, 72369, 80883, 88451, 98857, 117249, 125001, 152779, 265353, 296571, 351747, 458337, 796059, 889713, 1375011, 1680569, 5041707, 15125121]

約数ペア:

[(1, 15125121), (3, 5041707), (9, 1680569), (11, 1375011), (17, 889713), (19, 796059), (33, 458337), (43, 351747), (51, 296571), (57, 265353), (99, 152779), (121, 125001), (129, 117249), (153, 98857), (171, 88451), (187, 80883), (209, 72369), (323, 46827), (363, 41667), (387, 39083), (473, 31977), (561, 26961), (627, 24123), (731, 20691), (817, 18513), (969, 15609), (1089, 13889), (1419, 10659), (1683, 8987), (1881, 8041), (2057, 7353), (2193, 6897), (2299, 6579), (2451, 6171), (2907, 5203), (3553, 4257)]