163947147

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{2693}}^1$

素因数の和:2939

約数の個数: 32

約数和(自身を含む): 270348288

約数和(自身を除く): 106401141

約数列:

[1, 3, 7, 13, 21, 39, 91, 223, 273, 669, 1561, 2693, 2899, 4683, 8079, 8697, 18851, 20293, 35009, 56553, 60879, 105027, 245063, 600539, 735189, 1801617, 4203773, 7807007, 12611319, 23421021, 54649049, 163947147]

約数ペア:

[(1, 163947147), (3, 54649049), (7, 23421021), (13, 12611319), (21, 7807007), (39, 4203773), (91, 1801617), (223, 735189), (273, 600539), (669, 245063), (1561, 105027), (2693, 60879), (2899, 56553), (4683, 35009), (8079, 20293), (8697, 18851)]