665130207

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{6197}}^1$

素因数の和:6495

約数の個数: 32

約数和(自身を含む): 1071014400

約数和(自身を除く): 405884193

約数列:

[1, 3, 7, 19, 21, 57, 133, 269, 399, 807, 1883, 5111, 5649, 6197, 15333, 18591, 35777, 43379, 107331, 117743, 130137, 353229, 824201, 1666993, 2472603, 5000979, 11668951, 31672867, 35006853, 95018601, 221710069, 665130207]

約数ペア:

[(1, 665130207), (3, 221710069), (7, 95018601), (19, 35006853), (21, 31672867), (57, 11668951), (133, 5000979), (269, 2472603), (399, 1666993), (807, 824201), (1883, 353229), (5111, 130137), (5649, 117743), (6197, 107331), (15333, 43379), (18591, 35777)]