639565095

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1301}}^1\times {\mathrm{2521}}^1$

素因数の和:3843

約数の個数: 32

約数和(自身を含む): 1103304384

約数和(自身を除く): 463739289

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1301, 2521, 3903, 6505, 7563, 12605, 16913, 19515, 32773, 37815, 50739, 84565, 98319, 163865, 253695, 491595, 3279821, 9839463, 16399105, 42637673, 49197315, 127913019, 213188365, 639565095]

約数ペア:

[(1, 639565095), (3, 213188365), (5, 127913019), (13, 49197315), (15, 42637673), (39, 16399105), (65, 9839463), (195, 3279821), (1301, 491595), (2521, 253695), (3903, 163865), (6505, 98319), (7563, 84565), (12605, 50739), (16913, 37815), (19515, 32773)]