247998543

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{509}}^1$

素因数の和:600

約数の個数: 36

約数和(自身を含む): 370706760

約数和(自身を除く): 122708217

約数列:

[1, 3, 13, 31, 39, 93, 169, 403, 507, 509, 961, 1209, 1527, 2883, 5239, 6617, 12493, 15717, 15779, 19851, 37479, 47337, 86021, 162409, 205127, 258063, 487227, 489149, 615381, 1467447, 2666651, 6358937, 7999953, 19076811, 82666181, 247998543]

約数ペア:

[(1, 247998543), (3, 82666181), (13, 19076811), (31, 7999953), (39, 6358937), (93, 2666651), (169, 1467447), (403, 615381), (507, 489149), (509, 487227), (961, 258063), (1209, 205127), (1527, 162409), (2883, 86021), (5239, 47337), (6617, 37479), (12493, 19851), (15717, 15779)]