660763971

素因数分解:

$3^2\times 7^2\times {\mathrm{313}}^1\times {\mathrm{4787}}^1$

素因数の和:5120

約数の個数: 36

約数和(自身を含む): 1114043112

約数和(自身を除く): 453279141

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 313, 441, 939, 2191, 2817, 4787, 6573, 14361, 15337, 19719, 33509, 43083, 46011, 100527, 138033, 234563, 301581, 703689, 1498331, 2111067, 4494993, 10488317, 13484979, 31464951, 73418219, 94394853, 220254657, 660763971]

約数ペア:

[(1, 660763971), (3, 220254657), (7, 94394853), (9, 73418219), (21, 31464951), (49, 13484979), (63, 10488317), (147, 4494993), (313, 2111067), (441, 1498331), (939, 703689), (2191, 301581), (2817, 234563), (4787, 138033), (6573, 100527), (14361, 46011), (15337, 43083), (19719, 33509)]