16500897

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 30730752

約数和(自身を除く): 14229855

約数列:

[1, 3, 7, 9, 17, 21, 31, 49, 51, 63, 71, 93, 119, 147, 153, 213, 217, 279, 357, 441, 497, 527, 639, 651, 833, 1071, 1207, 1491, 1519, 1581, 1953, 2201, 2499, 3479, 3621, 3689, 4473, 4557, 4743, 6603, 7497, 8449, 10437, 10863, 11067, 13671, 15407, 19809, 25347, 25823, 31311, 33201, 37417, 46221, 59143, 76041, 77469, 107849, 112251, 138663, 177429, 232407, 261919, 323547, 336753, 532287, 785757, 970641, 1833433, 2357271, 5500299, 16500897]

約数ペア:

[(1, 16500897), (3, 5500299), (7, 2357271), (9, 1833433), (17, 970641), (21, 785757), (31, 532287), (49, 336753), (51, 323547), (63, 261919), (71, 232407), (93, 177429), (119, 138663), (147, 112251), (153, 107849), (213, 77469), (217, 76041), (279, 59143), (357, 46221), (441, 37417), (497, 33201), (527, 31311), (639, 25823), (651, 25347), (833, 19809), (1071, 15407), (1207, 13671), (1491, 11067), (1519, 10863), (1581, 10437), (1953, 8449), (2201, 7497), (2499, 6603), (3479, 4743), (3621, 4557), (3689, 4473)]