78734439

素因数分解:

$3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{5923}}^1$

素因数の和:6147

約数の個数: 24

約数和(自身を含む): 130612352

約数和(自身を除く): 51877913

約数列:

[1, 3, 7, 9, 21, 63, 211, 633, 1477, 1899, 4431, 5923, 13293, 17769, 41461, 53307, 124383, 373149, 1249753, 3749259, 8748271, 11247777, 26244813, 78734439]

約数ペア:

[(1, 78734439), (3, 26244813), (7, 11247777), (9, 8748271), (21, 3749259), (63, 1249753), (211, 373149), (633, 124383), (1477, 53307), (1899, 41461), (4431, 17769), (5923, 13293)]