16831815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:117

約数の個数: 128

約数和(自身を含む): 38707200

約数和(自身を除く): 21875385

約数列:

[1, 3, 5, 7, 11, 13, 15, 19, 21, 33, 35, 39, 55, 57, 59, 65, 77, 91, 95, 105, 133, 143, 165, 177, 195, 209, 231, 247, 273, 285, 295, 385, 399, 413, 429, 455, 627, 649, 665, 715, 741, 767, 885, 1001, 1045, 1121, 1155, 1235, 1239, 1365, 1463, 1729, 1947, 1995, 2065, 2145, 2301, 2717, 3003, 3135, 3245, 3363, 3705, 3835, 4389, 4543, 5005, 5187, 5369, 5605, 6195, 7315, 7847, 8151, 8437, 8645, 9735, 11505, 12331, 13585, 13629, 14573, 15015, 16107, 16815, 19019, 21945, 22715, 23541, 25311, 25935, 26845, 36993, 39235, 40755, 42185, 43719, 57057, 59059, 61655, 68145, 72865, 80535, 86317, 95095, 102011, 117705, 126555, 160303, 177177, 184965, 218595, 258951, 285285, 295295, 306033, 431585, 480909, 510055, 801515, 885885, 1122121, 1294755, 1530165, 2404545, 3366363, 5610605, 16831815]

約数ペア:

[(1, 16831815), (3, 5610605), (5, 3366363), (7, 2404545), (11, 1530165), (13, 1294755), (15, 1122121), (19, 885885), (21, 801515), (33, 510055), (35, 480909), (39, 431585), (55, 306033), (57, 295295), (59, 285285), (65, 258951), (77, 218595), (91, 184965), (95, 177177), (105, 160303), (133, 126555), (143, 117705), (165, 102011), (177, 95095), (195, 86317), (209, 80535), (231, 72865), (247, 68145), (273, 61655), (285, 59059), (295, 57057), (385, 43719), (399, 42185), (413, 40755), (429, 39235), (455, 36993), (627, 26845), (649, 25935), (665, 25311), (715, 23541), (741, 22715), (767, 21945), (885, 19019), (1001, 16815), (1045, 16107), (1121, 15015), (1155, 14573), (1235, 13629), (1239, 13585), (1365, 12331), (1463, 11505), (1729, 9735), (1947, 8645), (1995, 8437), (2065, 8151), (2145, 7847), (2301, 7315), (2717, 6195), (3003, 5605), (3135, 5369), (3245, 5187), (3363, 5005), (3705, 4543), (3835, 4389)]