180495

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{191}}^1$

素因数の和:212

約数の個数: 32

約数和(自身を含む): 368640

約数和(自身を除く): 188145

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 191, 315, 573, 945, 955, 1337, 1719, 2865, 4011, 5157, 6685, 8595, 12033, 20055, 25785, 36099, 60165, 180495]

約数ペア:

[(1, 180495), (3, 60165), (5, 36099), (7, 25785), (9, 20055), (15, 12033), (21, 8595), (27, 6685), (35, 5157), (45, 4011), (63, 2865), (105, 1719), (135, 1337), (189, 955), (191, 945), (315, 573)]