205976355

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 359564256

約数和(自身を除く): 153587901

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 193, 195, 421, 507, 579, 845, 965, 1263, 2105, 2509, 2535, 2895, 5473, 6315, 7527, 12545, 16419, 27365, 32617, 37635, 71149, 81253, 82095, 97851, 163085, 213447, 243759, 355745, 406265, 489255, 1056289, 1067235, 1218795, 3168867, 5281445, 13731757, 15844335, 41195271, 68658785, 205976355]

約数ペア:

[(1, 205976355), (3, 68658785), (5, 41195271), (13, 15844335), (15, 13731757), (39, 5281445), (65, 3168867), (169, 1218795), (193, 1067235), (195, 1056289), (421, 489255), (507, 406265), (579, 355745), (845, 243759), (965, 213447), (1263, 163085), (2105, 97851), (2509, 82095), (2535, 81253), (2895, 71149), (5473, 37635), (6315, 32617), (7527, 27365), (12545, 16419)]