427961235

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{401}}^1\times {\mathrm{421}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 745076448

約数和(自身を除く): 317115213

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 401, 421, 507, 845, 1203, 1263, 2005, 2105, 2535, 5213, 5473, 6015, 6315, 15639, 16419, 26065, 27365, 67769, 71149, 78195, 82095, 168821, 203307, 213447, 338845, 355745, 506463, 844105, 1016535, 1067235, 2194673, 2532315, 6584019, 10973365, 28530749, 32920095, 85592247, 142653745, 427961235]

約数ペア:

[(1, 427961235), (3, 142653745), (5, 85592247), (13, 32920095), (15, 28530749), (39, 10973365), (65, 6584019), (169, 2532315), (195, 2194673), (401, 1067235), (421, 1016535), (507, 844105), (845, 506463), (1203, 355745), (1263, 338845), (2005, 213447), (2105, 203307), (2535, 168821), (5213, 82095), (5473, 78195), (6015, 71149), (6315, 67769), (15639, 27365), (16419, 26065)]