51538653

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{557}}^1$

素因数の和:738

約数の個数: 32

約数和(自身を含む): 80352000

約数和(自身を除く): 28813347

約数列:

[1, 3, 9, 23, 27, 69, 149, 207, 447, 557, 621, 1341, 1671, 3427, 4023, 5013, 10281, 12811, 15039, 30843, 38433, 82993, 92529, 115299, 248979, 345897, 746937, 1908839, 2240811, 5726517, 17179551, 51538653]

約数ペア:

[(1, 51538653), (3, 17179551), (9, 5726517), (23, 2240811), (27, 1908839), (69, 746937), (149, 345897), (207, 248979), (447, 115299), (557, 92529), (621, 82993), (1341, 38433), (1671, 30843), (3427, 15039), (4023, 12811), (5013, 10281)]