664756053

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{40487}}^1$

素因数の和:40924

約数の個数: 16

約数和(自身を含む): 956812416

約数和(自身を除く): 292056363

約数列:

[1, 3, 13, 39, 421, 1263, 5473, 16419, 40487, 121461, 526331, 1578993, 17045027, 51135081, 221585351, 664756053]

約数ペア:

[(1, 664756053), (3, 221585351), (13, 51135081), (39, 17045027), (421, 1578993), (1263, 526331), (5473, 121461), (16419, 40487)]