215684559

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 353566080

約数和(自身を除く): 137881521

約数列:

[1, 3, 9, 17, 27, 41, 51, 73, 123, 153, 157, 219, 369, 459, 471, 657, 697, 1107, 1241, 1413, 1971, 2091, 2669, 2993, 3723, 4239, 6273, 6437, 8007, 8979, 11169, 11461, 18819, 19311, 24021, 26937, 33507, 34383, 50881, 57933, 72063, 80811, 103149, 109429, 152643, 173799, 194837, 309447, 328287, 457929, 469901, 584511, 984861, 1373787, 1409703, 1753533, 2954583, 4229109, 5260599, 7988317, 12687327, 23964951, 71894853, 215684559]

約数ペア:

[(1, 215684559), (3, 71894853), (9, 23964951), (17, 12687327), (27, 7988317), (41, 5260599), (51, 4229109), (73, 2954583), (123, 1753533), (153, 1409703), (157, 1373787), (219, 984861), (369, 584511), (459, 469901), (471, 457929), (657, 328287), (697, 309447), (1107, 194837), (1241, 173799), (1413, 152643), (1971, 109429), (2091, 103149), (2669, 80811), (2993, 72063), (3723, 57933), (4239, 50881), (6273, 34383), (6437, 33507), (8007, 26937), (8979, 24021), (11169, 19311), (11461, 18819)]