668265

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 1209600

約数和(自身を除く): 541335

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 149, 195, 299, 345, 447, 745, 897, 1495, 1937, 2235, 3427, 4485, 5811, 9685, 10281, 17135, 29055, 44551, 51405, 133653, 222755, 668265]

約数ペア:

[(1, 668265), (3, 222755), (5, 133653), (13, 51405), (15, 44551), (23, 29055), (39, 17135), (65, 10281), (69, 9685), (115, 5811), (149, 4485), (195, 3427), (299, 2235), (345, 1937), (447, 1495), (745, 897)]