642330.00000000

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{1487}}^1$

素因数の和:1536

約数の個数: 32

約数和(自身を含む): 113326080

約数和(自身を除く): 44720361

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 1487, 2197, 3549, 4461, 6591, 10409, 15379, 19331, 31227, 46137, 57993, 135317, 251303, 405951, 753909, 1759121, 3266939, 5277363, 9800817, 22868573, 68605719]

約数ペア:

[(1, 68605719), (3, 22868573), (7, 9800817), (13, 5277363), (21, 3266939), (39, 1759121), (91, 753909), (169, 405951), (273, 251303), (507, 135317), (1183, 57993), (1487, 46137), (2197, 31227), (3549, 19331), (4461, 15379), (6591, 10409)]